20702448

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{11059}}^1$

素因数の和:11086

約数の個数: 60

約数和(自身を含む): 62400520

約数和(自身を除く): 41698072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 11059, 22118, 33177, 44236, 66354, 88472, 99531, 132708, 143767, 176944, 199062, 265416, 287534, 398124, 431301, 530832, 575068, 796248, 862602, 1150136, 1293903, 1592496, 1725204, 2300272, 2587806, 3450408, 5175612, 6900816, 10351224, 20702448]

約数ペア:

[(1, 20702448), (2, 10351224), (3, 6900816), (4, 5175612), (6, 3450408), (8, 2587806), (9, 2300272), (12, 1725204), (13, 1592496), (16, 1293903), (18, 1150136), (24, 862602), (26, 796248), (36, 575068), (39, 530832), (48, 431301), (52, 398124), (72, 287534), (78, 265416), (104, 199062), (117, 176944), (144, 143767), (156, 132708), (208, 99531), (234, 88472), (312, 66354), (468, 44236), (624, 33177), (936, 22118), (1872, 11059)]