20778853106

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{653}}^1\times {\mathrm{33637}}^1$

素因数の和:34346

約数の個数: 32

約数和(自身を含む): 34846815168

約数和(自身を除く): 14067962062

約数列:

[1, 2, 11, 22, 43, 86, 473, 653, 946, 1306, 7183, 14366, 28079, 33637, 56158, 67274, 308869, 370007, 617738, 740014, 1446391, 2892782, 15910301, 21964961, 31820602, 43929922, 241614571, 483229142, 944493323, 1888986646, 10389426553, 20778853106]

約数ペア:

[(1, 20778853106), (2, 10389426553), (11, 1888986646), (22, 944493323), (43, 483229142), (86, 241614571), (473, 43929922), (653, 31820602), (946, 21964961), (1306, 15910301), (7183, 2892782), (14366, 1446391), (28079, 740014), (33637, 617738), (56158, 370007), (67274, 308869)]