20797608

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{349}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 56448000

約数和(自身を除く): 35650392

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 191, 312, 349, 382, 573, 698, 764, 1047, 1146, 1396, 1528, 2094, 2292, 2483, 2792, 4188, 4537, 4584, 4966, 7449, 8376, 9074, 9932, 13611, 14898, 18148, 19864, 27222, 29796, 36296, 54444, 59592, 66659, 108888, 133318, 199977, 266636, 399954, 533272, 799908, 866567, 1599816, 1733134, 2599701, 3466268, 5199402, 6932536, 10398804, 20797608]

約数ペア:

[(1, 20797608), (2, 10398804), (3, 6932536), (4, 5199402), (6, 3466268), (8, 2599701), (12, 1733134), (13, 1599816), (24, 866567), (26, 799908), (39, 533272), (52, 399954), (78, 266636), (104, 199977), (156, 133318), (191, 108888), (312, 66659), (349, 59592), (382, 54444), (573, 36296), (698, 29796), (764, 27222), (1047, 19864), (1146, 18148), (1396, 14898), (1528, 13611), (2094, 9932), (2292, 9074), (2483, 8376), (2792, 7449), (4188, 4966), (4537, 4584)]