20182547620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{631}}^1\times {\mathrm{43223}}^1$

素因数の和:43900

約数の個数: 48

約数和(自身を含む): 43598838528

約数和(自身を除く): 23416290908

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 631, 740, 1262, 2524, 3155, 6310, 12620, 23347, 43223, 46694, 86446, 93388, 116735, 172892, 216115, 233470, 432230, 466940, 864460, 1599251, 3198502, 6397004, 7996255, 15992510, 27273713, 31985020, 54547426, 109094852, 136368565, 272737130, 545474260, 1009127381, 2018254762, 4036509524, 5045636905, 10091273810, 20182547620]

約数ペア:

[(1, 20182547620), (2, 10091273810), (4, 5045636905), (5, 4036509524), (10, 2018254762), (20, 1009127381), (37, 545474260), (74, 272737130), (148, 136368565), (185, 109094852), (370, 54547426), (631, 31985020), (740, 27273713), (1262, 15992510), (2524, 7996255), (3155, 6397004), (6310, 3198502), (12620, 1599251), (23347, 864460), (43223, 466940), (46694, 432230), (86446, 233470), (93388, 216115), (116735, 172892)]