20778893507240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47224757971}}^1$

素因数の和:47224757993

約数の個数: 32

約数和(自身を含む): 51002738609760

約数和(自身を除く): 30223845102520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 47224757971, 94449515942, 188899031884, 236123789855, 377798063768, 472247579710, 519472337681, 944495159420, 1038944675362, 1888990318840, 2077889350724, 2597361688405, 4155778701448, 5194723376810, 10389446753620, 20778893507240]

約数ペア:

[(1, 20778893507240), (2, 10389446753620), (4, 5194723376810), (5, 4155778701448), (8, 2597361688405), (10, 2077889350724), (11, 1888990318840), (20, 1038944675362), (22, 944495159420), (40, 519472337681), (44, 472247579710), (55, 377798063768), (88, 236123789855), (110, 188899031884), (220, 94449515942), (440, 47224757971)]