20912133750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{887}}^1\times {\mathrm{6287}}^1$

素因数の和:7199

約数の個数: 80

約数和(自身を含む): 52330848768

約数和(自身を除く): 31418715018

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 625, 750, 887, 1250, 1774, 1875, 2661, 3750, 4435, 5322, 6287, 8870, 12574, 13305, 18861, 22175, 26610, 31435, 37722, 44350, 62870, 66525, 94305, 110875, 133050, 157175, 188610, 221750, 314350, 332625, 471525, 554375, 665250, 785875, 943050, 1108750, 1571750, 1663125, 2357625, 3326250, 3929375, 4715250, 5576569, 7858750, 11153138, 11788125, 16729707, 23576250, 27882845, 33459414, 55765690, 83648535, 139414225, 167297070, 278828450, 418242675, 697071125, 836485350, 1394142250, 2091213375, 3485355625, 4182426750, 6970711250, 10456066875, 20912133750]

約数ペア:

[(1, 20912133750), (2, 10456066875), (3, 6970711250), (5, 4182426750), (6, 3485355625), (10, 2091213375), (15, 1394142250), (25, 836485350), (30, 697071125), (50, 418242675), (75, 278828450), (125, 167297070), (150, 139414225), (250, 83648535), (375, 55765690), (625, 33459414), (750, 27882845), (887, 23576250), (1250, 16729707), (1774, 11788125), (1875, 11153138), (2661, 7858750), (3750, 5576569), (4435, 4715250), (5322, 3929375), (6287, 3326250), (8870, 2357625), (12574, 1663125), (13305, 1571750), (18861, 1108750), (22175, 943050), (26610, 785875), (31435, 665250), (37722, 554375), (44350, 471525), (62870, 332625), (66525, 314350), (94305, 221750), (110875, 188610), (133050, 157175)]