20090129780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{97}}^1\times {\mathrm{5119}}^1$

素因数の和:5266

約数の個数: 144

約数和(自身を含む): 51757547520

約数和(自身を除く): 31667417740

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 97, 119, 140, 170, 194, 238, 289, 340, 388, 476, 485, 578, 595, 679, 970, 1156, 1190, 1358, 1445, 1649, 1940, 2023, 2380, 2716, 2890, 3298, 3395, 4046, 5119, 5780, 6596, 6790, 8092, 8245, 10115, 10238, 11543, 13580, 16490, 20230, 20476, 23086, 25595, 28033, 32980, 35833, 40460, 46172, 51190, 56066, 57715, 71666, 87023, 102380, 112132, 115430, 140165, 143332, 174046, 179165, 196231, 230860, 280330, 348092, 358330, 392462, 435115, 496543, 560660, 609161, 716660, 784924, 870230, 981155, 993086, 1218322, 1479391, 1740460, 1962310, 1986172, 2436644, 2482715, 2958782, 3045805, 3475801, 3924620, 4965430, 5917564, 6091610, 6951602, 7396955, 8441231, 9930860, 10355737, 12183220, 13903204, 14793910, 16882462, 17379005, 20711474, 29587820, 33764924, 34758010, 41422948, 42206155, 51778685, 59088617, 69516020, 84412310, 103557370, 118177234, 143500927, 168824620, 207114740, 236354468, 287001854, 295443085, 574003708, 590886170, 717504635, 1004506489, 1181772340, 1435009270, 2009012978, 2870018540, 4018025956, 5022532445, 10045064890, 20090129780]

約数ペア:

[(1, 20090129780), (2, 10045064890), (4, 5022532445), (5, 4018025956), (7, 2870018540), (10, 2009012978), (14, 1435009270), (17, 1181772340), (20, 1004506489), (28, 717504635), (34, 590886170), (35, 574003708), (68, 295443085), (70, 287001854), (85, 236354468), (97, 207114740), (119, 168824620), (140, 143500927), (170, 118177234), (194, 103557370), (238, 84412310), (289, 69516020), (340, 59088617), (388, 51778685), (476, 42206155), (485, 41422948), (578, 34758010), (595, 33764924), (679, 29587820), (970, 20711474), (1156, 17379005), (1190, 16882462), (1358, 14793910), (1445, 13903204), (1649, 12183220), (1940, 10355737), (2023, 9930860), (2380, 8441231), (2716, 7396955), (2890, 6951602), (3298, 6091610), (3395, 5917564), (4046, 4965430), (5119, 3924620), (5780, 3475801), (6596, 3045805), (6790, 2958782), (8092, 2482715), (8245, 2436644), (10115, 1986172), (10238, 1962310), (11543, 1740460), (13580, 1479391), (16490, 1218322), (20230, 993086), (20476, 981155), (23086, 870230), (25595, 784924), (28033, 716660), (32980, 609161), (35833, 560660), (40460, 496543), (46172, 435115), (51190, 392462), (56066, 358330), (57715, 348092), (71666, 280330), (87023, 230860), (102380, 196231), (112132, 179165), (115430, 174046), (140165, 143332)]