20296375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{509}}^1$

素因数の和:564

約数の個数: 32

約数和(自身を含む): 28641600

約数和(自身を除く): 8345225

約数列:

[1, 5, 11, 25, 29, 55, 125, 145, 275, 319, 509, 725, 1375, 1595, 2545, 3625, 5599, 7975, 12725, 14761, 27995, 39875, 63625, 73805, 139975, 162371, 369025, 699875, 811855, 1845125, 4059275, 20296375]

約数ペア:

[(1, 20296375), (5, 4059275), (11, 1845125), (25, 811855), (29, 699875), (55, 369025), (125, 162371), (145, 139975), (275, 73805), (319, 63625), (509, 39875), (725, 27995), (1375, 14761), (1595, 12725), (2545, 7975), (3625, 5599)]