20326635

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{373}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 40607424

約数和(自身を除く): 20280789

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 173, 315, 373, 519, 865, 1119, 1211, 1557, 1865, 2595, 2611, 3357, 3633, 5595, 6055, 7785, 7833, 10899, 13055, 16785, 18165, 23499, 39165, 54495, 64529, 117495, 193587, 322645, 451703, 580761, 967935, 1355109, 2258515, 2903805, 4065327, 6775545, 20326635]

約数ペア:

[(1, 20326635), (3, 6775545), (5, 4065327), (7, 2903805), (9, 2258515), (15, 1355109), (21, 967935), (35, 580761), (45, 451703), (63, 322645), (105, 193587), (173, 117495), (315, 64529), (373, 54495), (519, 39165), (865, 23499), (1119, 18165), (1211, 16785), (1557, 13055), (1865, 10899), (2595, 7833), (2611, 7785), (3357, 6055), (3633, 5595)]