20558079

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 30522752

約数和(自身を除く): 9964673

約数列:

[1, 3, 9, 67, 103, 201, 309, 331, 603, 927, 993, 2979, 6901, 20703, 22177, 34093, 62109, 66531, 102279, 199593, 306837, 2284231, 6852693, 20558079]

約数ペア:

[(1, 20558079), (3, 6852693), (9, 2284231), (67, 306837), (103, 199593), (201, 102279), (309, 66531), (331, 62109), (603, 34093), (927, 22177), (993, 20703), (2979, 6901)]