20123070678820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3697}}^1\times {\mathrm{8779163}}^1$

素因数の和:8782900

約数の個数: 48

約数和(自身を含む): 43633428346368

約数和(自身を除く): 23510357667548

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3697, 7394, 14788, 18485, 36970, 73940, 114607, 229214, 458428, 573035, 1146070, 2292140, 8779163, 17558326, 35116652, 43895815, 87791630, 175583260, 272154053, 544308106, 1088616212, 1360770265, 2721540530, 5443081060, 32456565611, 64913131222, 129826262444, 162282828055, 324565656110, 649131312220, 1006153533941, 2012307067882, 4024614135764, 5030767669705, 10061535339410, 20123070678820]

約数ペア:

[(1, 20123070678820), (2, 10061535339410), (4, 5030767669705), (5, 4024614135764), (10, 2012307067882), (20, 1006153533941), (31, 649131312220), (62, 324565656110), (124, 162282828055), (155, 129826262444), (310, 64913131222), (620, 32456565611), (3697, 5443081060), (7394, 2721540530), (14788, 1360770265), (18485, 1088616212), (36970, 544308106), (73940, 272154053), (114607, 175583260), (229214, 87791630), (458428, 43895815), (573035, 35116652), (1146070, 17558326), (2292140, 8779163)]