20128995627

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{307}}^1\times {\mathrm{1637}}^1$

素因数の和:2052

約数の個数: 48

約数和(自身を含む): 29543754240

約数和(自身を除く): 9414758613

約数列:

[1, 3, 13, 39, 79, 169, 237, 307, 507, 921, 1027, 1637, 3081, 3991, 4911, 11973, 13351, 21281, 24253, 40053, 51883, 63843, 72759, 129323, 155649, 276653, 315289, 387969, 502559, 829959, 945867, 1507677, 1681199, 4098757, 5043597, 6533267, 12296271, 19599801, 21855587, 39702161, 65566761, 84932471, 119106483, 254797413, 516128093, 1548384279, 6709665209, 20128995627]

約数ペア:

[(1, 20128995627), (3, 6709665209), (13, 1548384279), (39, 516128093), (79, 254797413), (169, 119106483), (237, 84932471), (307, 65566761), (507, 39702161), (921, 21855587), (1027, 19599801), (1637, 12296271), (3081, 6533267), (3991, 5043597), (4911, 4098757), (11973, 1681199), (13351, 1507677), (21281, 945867), (24253, 829959), (40053, 502559), (51883, 387969), (63843, 315289), (72759, 276653), (129323, 155649)]