20123847512995

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{4423}}^1\times {\mathrm{128399}}^1$

素因数の和:133219

約数の個数: 32

約数和(自身を含む): 25493707008000

約数和(自身を除く): 5369859495005

約数列:

[1, 5, 19, 95, 373, 1865, 4423, 7087, 22115, 35435, 84037, 128399, 420185, 641995, 1649779, 2439581, 8248895, 12197905, 31345801, 47892827, 156729005, 239464135, 567908777, 909963713, 2839543885, 4549818565, 10790266763, 53951333815, 211829973821, 1059149869105, 4024769502599, 20123847512995]

約数ペア:

[(1, 20123847512995), (5, 4024769502599), (19, 1059149869105), (95, 211829973821), (373, 53951333815), (1865, 10790266763), (4423, 4549818565), (7087, 2839543885), (22115, 909963713), (35435, 567908777), (84037, 239464135), (128399, 156729005), (420185, 47892827), (641995, 31345801), (1649779, 12197905), (2439581, 8248895)]