20171954920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{269}}^1\times {\mathrm{11093}}^1$

素因数の和:11399

約数の個数: 96

約数和(自身を含む): 49333908600

約数和(自身を除く): 29161953680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 269, 338, 520, 538, 676, 845, 1076, 1345, 1352, 1690, 2152, 2690, 3380, 3497, 5380, 6760, 6994, 10760, 11093, 13988, 17485, 22186, 27976, 34970, 44372, 45461, 55465, 69940, 88744, 90922, 110930, 139880, 144209, 181844, 221860, 227305, 288418, 363688, 443720, 454610, 576836, 721045, 909220, 1153672, 1442090, 1818440, 1874717, 2884180, 2984017, 3749434, 5768360, 5968034, 7498868, 9373585, 11936068, 14920085, 14997736, 18747170, 23872136, 29840170, 37494340, 38792221, 59680340, 74988680, 77584442, 119360680, 155168884, 193961105, 310337768, 387922210, 504298873, 775844420, 1008597746, 1551688840, 2017195492, 2521494365, 4034390984, 5042988730, 10085977460, 20171954920]

約数ペア:

[(1, 20171954920), (2, 10085977460), (4, 5042988730), (5, 4034390984), (8, 2521494365), (10, 2017195492), (13, 1551688840), (20, 1008597746), (26, 775844420), (40, 504298873), (52, 387922210), (65, 310337768), (104, 193961105), (130, 155168884), (169, 119360680), (260, 77584442), (269, 74988680), (338, 59680340), (520, 38792221), (538, 37494340), (676, 29840170), (845, 23872136), (1076, 18747170), (1345, 14997736), (1352, 14920085), (1690, 11936068), (2152, 9373585), (2690, 7498868), (3380, 5968034), (3497, 5768360), (5380, 3749434), (6760, 2984017), (6994, 2884180), (10760, 1874717), (11093, 1818440), (13988, 1442090), (17485, 1153672), (22186, 909220), (27976, 721045), (34970, 576836), (44372, 454610), (45461, 443720), (55465, 363688), (69940, 288418), (88744, 227305), (90922, 221860), (110930, 181844), (139880, 144209)]