20045555740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4937329}}^1$

素因数の和:4937374

約数の個数: 48

約数和(自身を含む): 49768286400

約数和(自身を除く): 29722730660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 4937329, 9874658, 19749316, 24686645, 34561303, 49373290, 69122606, 98746580, 138245212, 143182541, 172806515, 286365082, 345613030, 572730164, 691226060, 715912705, 1002277787, 1431825410, 2004555574, 2863650820, 4009111148, 5011388935, 10022777870, 20045555740]

約数ペア:

[(1, 20045555740), (2, 10022777870), (4, 5011388935), (5, 4009111148), (7, 2863650820), (10, 2004555574), (14, 1431825410), (20, 1002277787), (28, 715912705), (29, 691226060), (35, 572730164), (58, 345613030), (70, 286365082), (116, 172806515), (140, 143182541), (145, 138245212), (203, 98746580), (290, 69122606), (406, 49373290), (580, 34561303), (812, 24686645), (1015, 19749316), (2030, 9874658), (4060, 4937329)]