20558625

素因数分解:

$3^1\times 5^3\times {\mathrm{73}}^1\times {\mathrm{751}}^1$

素因数の和:842

約数の個数: 32

約数和(自身を含む): 34724352

約数和(自身を除く): 14165727

約数列:

[1, 3, 5, 15, 25, 73, 75, 125, 219, 365, 375, 751, 1095, 1825, 2253, 3755, 5475, 9125, 11265, 18775, 27375, 54823, 56325, 93875, 164469, 274115, 281625, 822345, 1370575, 4111725, 6852875, 20558625]

約数ペア:

[(1, 20558625), (3, 6852875), (5, 4111725), (15, 1370575), (25, 822345), (73, 281625), (75, 274115), (125, 164469), (219, 93875), (365, 56325), (375, 54823), (751, 27375), (1095, 18775), (1825, 11265), (2253, 9125), (3755, 5475)]