20212432884

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2587357}}^1$

素因数の和:2587405

約数の個数: 72

約数和(自身を含む): 60275091968

約数和(自身を除く): 40062659084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 7812, 2587357, 5174714, 7762071, 10349428, 15524142, 18111499, 23286213, 31048284, 36222998, 46572426, 54334497, 72445996, 80208067, 93144852, 108668994, 160416134, 163003491, 217337988, 240624201, 320832268, 326006982, 481248402, 561456469, 652013964, 721872603, 962496804, 1122912938, 1443745206, 1684369407, 2245825876, 2887490412, 3368738814, 5053108221, 6737477628, 10106216442, 20212432884]

約数ペア:

[(1, 20212432884), (2, 10106216442), (3, 6737477628), (4, 5053108221), (6, 3368738814), (7, 2887490412), (9, 2245825876), (12, 1684369407), (14, 1443745206), (18, 1122912938), (21, 962496804), (28, 721872603), (31, 652013964), (36, 561456469), (42, 481248402), (62, 326006982), (63, 320832268), (84, 240624201), (93, 217337988), (124, 163003491), (126, 160416134), (186, 108668994), (217, 93144852), (252, 80208067), (279, 72445996), (372, 54334497), (434, 46572426), (558, 36222998), (651, 31048284), (868, 23286213), (1116, 18111499), (1302, 15524142), (1953, 10349428), (2604, 7762071), (3906, 5174714), (7812, 2587357)]