20962875

素因数分解:

$3^1\times 5^3\times {\mathrm{55901}}^1$

素因数の和:55919

約数の個数: 16

約数和(自身を含む): 34882848

約数和(自身を除く): 13919973

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 55901, 167703, 279505, 838515, 1397525, 4192575, 6987625, 20962875]

約数ペア:

[(1, 20962875), (3, 6987625), (5, 4192575), (15, 1397525), (25, 838515), (75, 279505), (125, 167703), (375, 55901)]