20824995

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 34467840

約数和(自身を除く): 13642845

約数列:

[1, 3, 5, 15, 47, 109, 141, 235, 271, 327, 545, 705, 813, 1355, 1635, 4065, 5123, 12737, 15369, 25615, 29539, 38211, 63685, 76845, 88617, 147695, 191055, 443085, 1388333, 4164999, 6941665, 20824995]

約数ペア:

[(1, 20824995), (3, 6941665), (5, 4164999), (15, 1388333), (47, 443085), (109, 191055), (141, 147695), (235, 88617), (271, 76845), (327, 63685), (545, 38211), (705, 29539), (813, 25615), (1355, 15369), (1635, 12737), (4065, 5123)]