20785515516

素因数分解:

$2^2\times 3^3\times {\mathrm{61}}^1\times {\mathrm{3155057}}^1$

素因数の和:3155131

約数の個数: 48

約数和(自身を含む): 54771806880

約数和(自身を除く): 33986291364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 108, 122, 183, 244, 366, 549, 732, 1098, 1647, 2196, 3294, 6588, 3155057, 6310114, 9465171, 12620228, 18930342, 28395513, 37860684, 56791026, 85186539, 113582052, 170373078, 192458477, 340746156, 384916954, 577375431, 769833908, 1154750862, 1732126293, 2309501724, 3464252586, 5196378879, 6928505172, 10392757758, 20785515516]

約数ペア:

[(1, 20785515516), (2, 10392757758), (3, 6928505172), (4, 5196378879), (6, 3464252586), (9, 2309501724), (12, 1732126293), (18, 1154750862), (27, 769833908), (36, 577375431), (54, 384916954), (61, 340746156), (108, 192458477), (122, 170373078), (183, 113582052), (244, 85186539), (366, 56791026), (549, 37860684), (732, 28395513), (1098, 18930342), (1647, 12620228), (2196, 9465171), (3294, 6310114), (6588, 3155057)]