20158277620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{947}}^1$

素因数の和:1158

約数の個数: 192

約数和(自身を含む): 49945190400

約数和(自身を除く): 29786912780

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 31, 38, 52, 62, 65, 76, 95, 124, 130, 139, 155, 190, 247, 260, 278, 310, 380, 403, 494, 556, 589, 620, 695, 806, 947, 988, 1178, 1235, 1390, 1612, 1807, 1894, 2015, 2356, 2470, 2641, 2780, 2945, 3614, 3788, 4030, 4309, 4735, 4940, 5282, 5890, 7228, 7657, 8060, 8618, 9035, 9470, 10564, 11780, 12311, 13205, 15314, 17236, 17993, 18070, 18940, 21545, 24622, 26410, 29357, 30628, 34333, 35986, 36140, 38285, 43090, 49244, 52820, 56017, 58714, 61555, 68666, 71972, 76570, 81871, 86180, 89965, 112034, 117428, 123110, 131633, 137332, 146785, 153140, 163742, 171665, 179930, 224068, 233909, 246220, 263266, 280085, 293570, 327484, 343330, 359860, 381641, 409355, 467818, 526532, 557783, 560170, 587140, 658165, 686660, 763282, 818710, 935636, 1064323, 1115566, 1120340, 1169545, 1316330, 1526564, 1637420, 1711229, 1908205, 2128646, 2231132, 2339090, 2501027, 2632660, 2788915, 3422458, 3816410, 4080623, 4257292, 4678180, 5002054, 5321615, 5577830, 6844916, 7251179, 7632820, 8161246, 8556145, 10004108, 10643230, 11155660, 12505135, 14502358, 16322492, 17112290, 20403115, 21286460, 25010270, 29004716, 32513351, 34224580, 36255895, 40806230, 50020540, 53048099, 65026702, 72511790, 77531837, 81612460, 106096198, 130053404, 145023580, 155063674, 162566755, 212192396, 265240495, 310127348, 325133510, 387659185, 530480990, 650267020, 775318370, 1007913881, 1060961980, 1550636740, 2015827762, 4031655524, 5039569405, 10079138810, 20158277620]

約数ペア:

[(1, 20158277620), (2, 10079138810), (4, 5039569405), (5, 4031655524), (10, 2015827762), (13, 1550636740), (19, 1060961980), (20, 1007913881), (26, 775318370), (31, 650267020), (38, 530480990), (52, 387659185), (62, 325133510), (65, 310127348), (76, 265240495), (95, 212192396), (124, 162566755), (130, 155063674), (139, 145023580), (155, 130053404), (190, 106096198), (247, 81612460), (260, 77531837), (278, 72511790), (310, 65026702), (380, 53048099), (403, 50020540), (494, 40806230), (556, 36255895), (589, 34224580), (620, 32513351), (695, 29004716), (806, 25010270), (947, 21286460), (988, 20403115), (1178, 17112290), (1235, 16322492), (1390, 14502358), (1612, 12505135), (1807, 11155660), (1894, 10643230), (2015, 10004108), (2356, 8556145), (2470, 8161246), (2641, 7632820), (2780, 7251179), (2945, 6844916), (3614, 5577830), (3788, 5321615), (4030, 5002054), (4309, 4678180), (4735, 4257292), (4940, 4080623), (5282, 3816410), (5890, 3422458), (7228, 2788915), (7657, 2632660), (8060, 2501027), (8618, 2339090), (9035, 2231132), (9470, 2128646), (10564, 1908205), (11780, 1711229), (12311, 1637420), (13205, 1526564), (15314, 1316330), (17236, 1169545), (17993, 1120340), (18070, 1115566), (18940, 1064323), (21545, 935636), (24622, 818710), (26410, 763282), (29357, 686660), (30628, 658165), (34333, 587140), (35986, 560170), (36140, 557783), (38285, 526532), (43090, 467818), (49244, 409355), (52820, 381641), (56017, 359860), (58714, 343330), (61555, 327484), (68666, 293570), (71972, 280085), (76570, 263266), (81871, 246220), (86180, 233909), (89965, 224068), (112034, 179930), (117428, 171665), (123110, 163742), (131633, 153140), (137332, 146785)]