20466360

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:565

約数の個数: 96

約数和(自身を含む): 67158000

約数和(自身を除く): 46691640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 139, 180, 278, 360, 409, 417, 556, 695, 818, 834, 1112, 1227, 1251, 1390, 1636, 1668, 2045, 2085, 2454, 2502, 2780, 3272, 3336, 3681, 4090, 4170, 4908, 5004, 5560, 6135, 6255, 7362, 8180, 8340, 9816, 10008, 12270, 12510, 14724, 16360, 16680, 18405, 24540, 25020, 29448, 36810, 49080, 50040, 56851, 73620, 113702, 147240, 170553, 227404, 284255, 341106, 454808, 511659, 568510, 682212, 852765, 1023318, 1137020, 1364424, 1705530, 2046636, 2274040, 2558295, 3411060, 4093272, 5116590, 6822120, 10233180, 20466360]

約数ペア:

[(1, 20466360), (2, 10233180), (3, 6822120), (4, 5116590), (5, 4093272), (6, 3411060), (8, 2558295), (9, 2274040), (10, 2046636), (12, 1705530), (15, 1364424), (18, 1137020), (20, 1023318), (24, 852765), (30, 682212), (36, 568510), (40, 511659), (45, 454808), (60, 341106), (72, 284255), (90, 227404), (120, 170553), (139, 147240), (180, 113702), (278, 73620), (360, 56851), (409, 50040), (417, 49080), (556, 36810), (695, 29448), (818, 25020), (834, 24540), (1112, 18405), (1227, 16680), (1251, 16360), (1390, 14724), (1636, 12510), (1668, 12270), (2045, 10008), (2085, 9816), (2454, 8340), (2502, 8180), (2780, 7362), (3272, 6255), (3336, 6135), (3681, 5560), (4090, 5004), (4170, 4908)]