20266740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2887}}^1$

素因数の和:2918

約数の個数: 96

約数和(自身を含む): 67925760

約数和(自身を除く): 47659020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 2887, 3510, 5774, 7020, 8661, 11548, 14435, 17322, 25983, 28870, 34644, 37531, 43305, 51966, 57740, 75062, 77949, 86610, 103932, 112593, 129915, 150124, 155898, 173220, 187655, 225186, 259830, 311796, 337779, 375310, 389745, 450372, 519660, 562965, 675558, 750620, 779490, 1013337, 1125930, 1351116, 1558980, 1688895, 2026674, 2251860, 3377790, 4053348, 5066685, 6755580, 10133370, 20266740]

約数ペア:

[(1, 20266740), (2, 10133370), (3, 6755580), (4, 5066685), (5, 4053348), (6, 3377790), (9, 2251860), (10, 2026674), (12, 1688895), (13, 1558980), (15, 1351116), (18, 1125930), (20, 1013337), (26, 779490), (27, 750620), (30, 675558), (36, 562965), (39, 519660), (45, 450372), (52, 389745), (54, 375310), (60, 337779), (65, 311796), (78, 259830), (90, 225186), (108, 187655), (117, 173220), (130, 155898), (135, 150124), (156, 129915), (180, 112593), (195, 103932), (234, 86610), (260, 77949), (270, 75062), (351, 57740), (390, 51966), (468, 43305), (540, 37531), (585, 34644), (702, 28870), (780, 25983), (1170, 17322), (1404, 14435), (1755, 11548), (2340, 8661), (2887, 7020), (3510, 5774)]