20497875

素因数分解:

$3^1\times 5^3\times {\mathrm{47}}^1\times {\mathrm{1163}}^1$

素因数の和:1228

約数の個数: 32

約数和(自身を含む): 34864128

約数和(自身を除く): 14366253

約数列:

[1, 3, 5, 15, 25, 47, 75, 125, 141, 235, 375, 705, 1163, 1175, 3489, 3525, 5815, 5875, 17445, 17625, 29075, 54661, 87225, 145375, 163983, 273305, 436125, 819915, 1366525, 4099575, 6832625, 20497875]

約数ペア:

[(1, 20497875), (3, 6832625), (5, 4099575), (15, 1366525), (25, 819915), (47, 436125), (75, 273305), (125, 163983), (141, 145375), (235, 87225), (375, 54661), (705, 29075), (1163, 17625), (1175, 17445), (3489, 5875), (3525, 5815)]