20590718

素因数分解:

$2^1\times {\mathrm{19}}^4\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 20

約数和(自身を含む): 33014640

約数和(自身を除く): 12423922

約数列:

[1, 2, 19, 38, 79, 158, 361, 722, 1501, 3002, 6859, 13718, 28519, 57038, 130321, 260642, 541861, 1083722, 10295359, 20590718]

約数ペア:

[(1, 20590718), (2, 10295359), (19, 1083722), (38, 541861), (79, 260642), (158, 130321), (361, 57038), (722, 28519), (1501, 13718), (3002, 6859)]