20091031870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1069}}^1\times {\mathrm{1087}}^1$

素因数の和:2202

約数の個数: 128

約数和(自身を含む): 46938931200

約数和(自身を除く): 26847899330

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 91, 95, 130, 133, 182, 190, 247, 266, 455, 494, 665, 910, 1069, 1087, 1235, 1330, 1729, 2138, 2174, 2470, 3458, 5345, 5435, 7483, 7609, 8645, 10690, 10870, 13897, 14131, 14966, 15218, 17290, 20311, 20653, 27794, 28262, 37415, 38045, 40622, 41306, 69485, 70655, 74830, 76090, 97279, 98917, 101555, 103265, 138970, 141310, 142177, 144571, 194558, 197834, 203110, 206530, 264043, 268489, 284354, 289142, 486395, 494585, 528086, 536978, 710885, 722855, 972790, 989170, 1162003, 1320215, 1342445, 1421770, 1445710, 1848301, 1879423, 2324006, 2640430, 2684890, 3696602, 3758846, 5810015, 8134021, 9241505, 9397115, 11620030, 15106039, 16268042, 18483010, 18794230, 22078057, 30212078, 40670105, 44156114, 75530195, 81340210, 105742273, 110390285, 151060390, 154546399, 211484546, 220780570, 287014741, 309092798, 528711365, 574029482, 772731995, 1057422730, 1435073705, 1545463990, 2009103187, 2870147410, 4018206374, 10045515935, 20091031870]

約数ペア:

[(1, 20091031870), (2, 10045515935), (5, 4018206374), (7, 2870147410), (10, 2009103187), (13, 1545463990), (14, 1435073705), (19, 1057422730), (26, 772731995), (35, 574029482), (38, 528711365), (65, 309092798), (70, 287014741), (91, 220780570), (95, 211484546), (130, 154546399), (133, 151060390), (182, 110390285), (190, 105742273), (247, 81340210), (266, 75530195), (455, 44156114), (494, 40670105), (665, 30212078), (910, 22078057), (1069, 18794230), (1087, 18483010), (1235, 16268042), (1330, 15106039), (1729, 11620030), (2138, 9397115), (2174, 9241505), (2470, 8134021), (3458, 5810015), (5345, 3758846), (5435, 3696602), (7483, 2684890), (7609, 2640430), (8645, 2324006), (10690, 1879423), (10870, 1848301), (13897, 1445710), (14131, 1421770), (14966, 1342445), (15218, 1320215), (17290, 1162003), (20311, 989170), (20653, 972790), (27794, 722855), (28262, 710885), (37415, 536978), (38045, 528086), (40622, 494585), (41306, 486395), (69485, 289142), (70655, 284354), (74830, 268489), (76090, 264043), (97279, 206530), (98917, 203110), (101555, 197834), (103265, 194558), (138970, 144571), (141310, 142177)]