20178261015

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{881}}^1\times {\mathrm{1093}}^1$

素因数の和:2120

約数の個数: 64

約数和(自身を含む): 35570368512

約数和(自身を除く): 15392107497

約数列:

[1, 3, 5, 11, 15, 33, 55, 127, 165, 381, 635, 881, 1093, 1397, 1905, 2643, 3279, 4191, 4405, 5465, 6985, 9691, 12023, 13215, 16395, 20955, 29073, 36069, 48455, 60115, 111887, 138811, 145365, 180345, 335661, 416433, 559435, 694055, 962933, 1230757, 1526921, 1678305, 2082165, 2888799, 3692271, 4580763, 4814665, 6153785, 7634605, 10592263, 14443995, 18461355, 22903815, 31776789, 52961315, 122292491, 158883945, 366877473, 611462455, 1345217401, 1834387365, 4035652203, 6726087005, 20178261015]

約数ペア:

[(1, 20178261015), (3, 6726087005), (5, 4035652203), (11, 1834387365), (15, 1345217401), (33, 611462455), (55, 366877473), (127, 158883945), (165, 122292491), (381, 52961315), (635, 31776789), (881, 22903815), (1093, 18461355), (1397, 14443995), (1905, 10592263), (2643, 7634605), (3279, 6153785), (4191, 4814665), (4405, 4580763), (5465, 3692271), (6985, 2888799), (9691, 2082165), (12023, 1678305), (13215, 1526921), (16395, 1230757), (20955, 962933), (29073, 694055), (36069, 559435), (48455, 416433), (60115, 335661), (111887, 180345), (138811, 145365)]