20103075

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{1901}}^1$

素因数の和:1964

約数の個数: 36

約数和(自身を含む): 36792288

約数和(自身を除く): 16689213

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 75, 141, 225, 235, 423, 705, 1175, 1901, 2115, 3525, 5703, 9505, 10575, 17109, 28515, 47525, 85545, 89347, 142575, 268041, 427725, 446735, 804123, 1340205, 2233675, 4020615, 6701025, 20103075]

約数ペア:

[(1, 20103075), (3, 6701025), (5, 4020615), (9, 2233675), (15, 1340205), (25, 804123), (45, 446735), (47, 427725), (75, 268041), (141, 142575), (225, 89347), (235, 85545), (423, 47525), (705, 28515), (1175, 17109), (1901, 10575), (2115, 9505), (3525, 5703)]