20785989114

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{561389}}^1$

素因数の和:561436

約数の個数: 72

約数和(自身を含む): 52414738740

約数和(自身を除く): 31628749626

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 33, 34, 51, 66, 99, 102, 121, 153, 187, 198, 242, 306, 363, 374, 561, 726, 1089, 1122, 1683, 2057, 2178, 3366, 4114, 6171, 12342, 18513, 37026, 561389, 1122778, 1684167, 3368334, 5052501, 6175279, 9543613, 10105002, 12350558, 18525837, 19087226, 28630839, 37051674, 55577511, 57261678, 67928069, 85892517, 104979743, 111155022, 135856138, 171785034, 203784207, 209959486, 314939229, 407568414, 611352621, 629878458, 944817687, 1154777173, 1222705242, 1889635374, 2309554346, 3464331519, 6928663038, 10392994557, 20785989114]

約数ペア:

[(1, 20785989114), (2, 10392994557), (3, 6928663038), (6, 3464331519), (9, 2309554346), (11, 1889635374), (17, 1222705242), (18, 1154777173), (22, 944817687), (33, 629878458), (34, 611352621), (51, 407568414), (66, 314939229), (99, 209959486), (102, 203784207), (121, 171785034), (153, 135856138), (187, 111155022), (198, 104979743), (242, 85892517), (306, 67928069), (363, 57261678), (374, 55577511), (561, 37051674), (726, 28630839), (1089, 19087226), (1122, 18525837), (1683, 12350558), (2057, 10105002), (2178, 9543613), (3366, 6175279), (4114, 5052501), (6171, 3368334), (12342, 1684167), (18513, 1122778), (37026, 561389)]