20877012

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1493

約数の個数: 72

約数和(自身を含む): 58705920

約数和(自身を除く): 37828908

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1439, 1612, 2418, 2878, 3627, 4317, 4836, 5756, 7254, 8634, 12951, 14508, 17268, 18707, 25902, 37414, 44609, 51804, 56121, 74828, 89218, 112242, 133827, 168363, 178436, 224484, 267654, 336726, 401481, 535308, 579917, 673452, 802962, 1159834, 1605924, 1739751, 2319668, 3479502, 5219253, 6959004, 10438506, 20877012]

約数ペア:

[(1, 20877012), (2, 10438506), (3, 6959004), (4, 5219253), (6, 3479502), (9, 2319668), (12, 1739751), (13, 1605924), (18, 1159834), (26, 802962), (31, 673452), (36, 579917), (39, 535308), (52, 401481), (62, 336726), (78, 267654), (93, 224484), (117, 178436), (124, 168363), (156, 133827), (186, 112242), (234, 89218), (279, 74828), (372, 56121), (403, 51804), (468, 44609), (558, 37414), (806, 25902), (1116, 18707), (1209, 17268), (1439, 14508), (1612, 12951), (2418, 8634), (2878, 7254), (3627, 5756), (4317, 4836)]