20896366881

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{131939}}^1$

素因数の和:132117

約数の個数: 32

約数和(自身を含む): 31209615360

約数和(自身を除く): 10313248479

約数列:

[1, 3, 13, 31, 39, 93, 131, 393, 403, 1209, 1703, 4061, 5109, 12183, 52793, 131939, 158379, 395817, 1715207, 4090109, 5145621, 12270327, 17284009, 51852027, 53171417, 159514251, 224692117, 535804279, 674076351, 1607412837, 6965455627, 20896366881]

約数ペア:

[(1, 20896366881), (3, 6965455627), (13, 1607412837), (31, 674076351), (39, 535804279), (93, 224692117), (131, 159514251), (393, 53171417), (403, 51852027), (1209, 17284009), (1703, 12270327), (4061, 5145621), (5109, 4090109), (12183, 1715207), (52793, 395817), (131939, 158379)]