20704620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5657}}^1$

素因数の和:5730

約数の個数: 48

約数和(自身を含む): 58933728

約数和(自身を除く): 38229108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 5657, 11314, 16971, 22628, 28285, 33942, 56570, 67884, 84855, 113140, 169710, 339420, 345077, 690154, 1035231, 1380308, 1725385, 2070462, 3450770, 4140924, 5176155, 6901540, 10352310, 20704620]

約数ペア:

[(1, 20704620), (2, 10352310), (3, 6901540), (4, 5176155), (5, 4140924), (6, 3450770), (10, 2070462), (12, 1725385), (15, 1380308), (20, 1035231), (30, 690154), (60, 345077), (61, 339420), (122, 169710), (183, 113140), (244, 84855), (305, 67884), (366, 56570), (610, 33942), (732, 28285), (915, 22628), (1220, 16971), (1830, 11314), (3660, 5657)]