20212792250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{189347}}^1$

素因数の和:189432

約数の個数: 64

約数和(自身を含む): 43952972544

約数和(自身を除く): 23740180294

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 61, 70, 122, 125, 175, 250, 305, 350, 427, 610, 854, 875, 1525, 1750, 2135, 3050, 4270, 7625, 10675, 15250, 21350, 53375, 106750, 189347, 378694, 946735, 1325429, 1893470, 2650858, 4733675, 6627145, 9467350, 11550167, 13254290, 23100334, 23668375, 33135725, 47336750, 57750835, 66271450, 80851169, 115501670, 161702338, 165678625, 288754175, 331357250, 404255845, 577508350, 808511690, 1443770875, 2021279225, 2887541750, 4042558450, 10106396125, 20212792250]

約数ペア:

[(1, 20212792250), (2, 10106396125), (5, 4042558450), (7, 2887541750), (10, 2021279225), (14, 1443770875), (25, 808511690), (35, 577508350), (50, 404255845), (61, 331357250), (70, 288754175), (122, 165678625), (125, 161702338), (175, 115501670), (250, 80851169), (305, 66271450), (350, 57750835), (427, 47336750), (610, 33135725), (854, 23668375), (875, 23100334), (1525, 13254290), (1750, 11550167), (2135, 9467350), (3050, 6627145), (4270, 4733675), (7625, 2650858), (10675, 1893470), (15250, 1325429), (21350, 946735), (53375, 378694), (106750, 189347)]