20148186870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31981249}}^1$

素因数の和:31981269

約数の個数: 48

約数和(自身を含む): 59868900000

約数和(自身を除く): 39720713130

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 31981249, 63962498, 95943747, 159906245, 191887494, 223868743, 287831241, 319812490, 447737486, 479718735, 575662482, 671606229, 959437470, 1119343715, 1343212458, 1439156205, 2014818687, 2238687430, 2878312410, 3358031145, 4029637374, 6716062290, 10074093435, 20148186870]

約数ペア:

[(1, 20148186870), (2, 10074093435), (3, 6716062290), (5, 4029637374), (6, 3358031145), (7, 2878312410), (9, 2238687430), (10, 2014818687), (14, 1439156205), (15, 1343212458), (18, 1119343715), (21, 959437470), (30, 671606229), (35, 575662482), (42, 479718735), (45, 447737486), (63, 319812490), (70, 287831241), (90, 223868743), (105, 191887494), (126, 159906245), (210, 95943747), (315, 63962498), (630, 31981249)]