20217695740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{17053}}^1$

素因数の和:17407

約数の個数: 96

約数和(自身を含む): 49199016384

約数和(自身を除く): 28981320644

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 317, 340, 374, 634, 748, 935, 1268, 1585, 1870, 3170, 3487, 3740, 5389, 6340, 6974, 10778, 13948, 17053, 17435, 21556, 26945, 34106, 34870, 53890, 59279, 68212, 69740, 85265, 107780, 118558, 170530, 187583, 237116, 289901, 296395, 341060, 375166, 579802, 592790, 750332, 937915, 1159604, 1185580, 1449505, 1875830, 2899010, 3188911, 3751660, 5405801, 5798020, 6377822, 10811602, 12755644, 15944555, 21623204, 27029005, 31889110, 54058010, 59463811, 63778220, 91898617, 108116020, 118927622, 183797234, 237855244, 297319055, 367594468, 459493085, 594638110, 918986170, 1010884787, 1189276220, 1837972340, 2021769574, 4043539148, 5054423935, 10108847870, 20217695740]

約数ペア:

[(1, 20217695740), (2, 10108847870), (4, 5054423935), (5, 4043539148), (10, 2021769574), (11, 1837972340), (17, 1189276220), (20, 1010884787), (22, 918986170), (34, 594638110), (44, 459493085), (55, 367594468), (68, 297319055), (85, 237855244), (110, 183797234), (170, 118927622), (187, 108116020), (220, 91898617), (317, 63778220), (340, 59463811), (374, 54058010), (634, 31889110), (748, 27029005), (935, 21623204), (1268, 15944555), (1585, 12755644), (1870, 10811602), (3170, 6377822), (3487, 5798020), (3740, 5405801), (5389, 3751660), (6340, 3188911), (6974, 2899010), (10778, 1875830), (13948, 1449505), (17053, 1185580), (17435, 1159604), (21556, 937915), (26945, 750332), (34106, 592790), (34870, 579802), (53890, 375166), (59279, 341060), (68212, 296395), (69740, 289901), (85265, 237116), (107780, 187583), (118558, 170530)]