20409869996

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{977}}^1$

素因数の和:1096

約数の個数: 144

約数和(自身を含む): 42818279616

約数和(自身を除く): 22408409620

約数列:

[1, 2, 4, 17, 19, 23, 34, 37, 38, 46, 68, 74, 76, 92, 148, 323, 361, 391, 437, 629, 646, 703, 722, 782, 851, 874, 977, 1258, 1292, 1406, 1444, 1564, 1702, 1748, 1954, 2516, 2812, 3404, 3908, 6137, 7429, 8303, 11951, 12274, 13357, 14467, 14858, 16169, 16606, 16609, 18563, 22471, 23902, 24548, 26714, 28934, 29716, 32338, 33212, 33218, 36149, 37126, 44942, 47804, 53428, 57868, 64676, 66436, 72298, 74252, 89884, 141151, 144596, 227069, 274873, 282302, 307211, 315571, 352697, 382007, 426949, 454138, 549746, 564604, 614422, 614533, 631142, 686831, 705394, 764014, 831427, 853898, 908276, 1099492, 1228844, 1229066, 1262284, 1373662, 1410788, 1528028, 1662854, 1707796, 2458132, 2747324, 3325708, 5222587, 5995849, 7258133, 8112031, 10445174, 11676127, 11991698, 13049789, 14134259, 14516266, 15797113, 16224062, 20890348, 23352254, 23983396, 26099578, 28268518, 29032532, 31594226, 32448124, 46704508, 52199156, 56537036, 63188452, 137904527, 221846413, 268550921, 275809054, 300145147, 443692826, 537101842, 551618108, 600290294, 887385652, 1074203684, 1200580588, 5102467499, 10204934998, 20409869996]

約数ペア:

[(1, 20409869996), (2, 10204934998), (4, 5102467499), (17, 1200580588), (19, 1074203684), (23, 887385652), (34, 600290294), (37, 551618108), (38, 537101842), (46, 443692826), (68, 300145147), (74, 275809054), (76, 268550921), (92, 221846413), (148, 137904527), (323, 63188452), (361, 56537036), (391, 52199156), (437, 46704508), (629, 32448124), (646, 31594226), (703, 29032532), (722, 28268518), (782, 26099578), (851, 23983396), (874, 23352254), (977, 20890348), (1258, 16224062), (1292, 15797113), (1406, 14516266), (1444, 14134259), (1564, 13049789), (1702, 11991698), (1748, 11676127), (1954, 10445174), (2516, 8112031), (2812, 7258133), (3404, 5995849), (3908, 5222587), (6137, 3325708), (7429, 2747324), (8303, 2458132), (11951, 1707796), (12274, 1662854), (13357, 1528028), (14467, 1410788), (14858, 1373662), (16169, 1262284), (16606, 1229066), (16609, 1228844), (18563, 1099492), (22471, 908276), (23902, 853898), (24548, 831427), (26714, 764014), (28934, 705394), (29716, 686831), (32338, 631142), (33212, 614533), (33218, 614422), (36149, 564604), (37126, 549746), (44942, 454138), (47804, 426949), (53428, 382007), (57868, 352697), (64676, 315571), (66436, 307211), (72298, 282302), (74252, 274873), (89884, 227069), (141151, 144596)]