20892875

素因数分解:

$5^3\times {\mathrm{19}}^2\times {\mathrm{463}}^1$

素因数の和:516

約数の個数: 24

約数和(自身を含む): 27578304

約数和(自身を除く): 6685429

約数列:

[1, 5, 19, 25, 95, 125, 361, 463, 475, 1805, 2315, 2375, 8797, 9025, 11575, 43985, 45125, 57875, 167143, 219925, 835715, 1099625, 4178575, 20892875]

約数ペア:

[(1, 20892875), (5, 4178575), (19, 1099625), (25, 835715), (95, 219925), (125, 167143), (361, 57875), (463, 45125), (475, 43985), (1805, 11575), (2315, 9025), (2375, 8797)]