20567445

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{631}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 34401024

約数和(自身を除く): 13833579

約数列:

[1, 3, 5, 15, 41, 53, 123, 159, 205, 265, 615, 631, 795, 1893, 2173, 3155, 6519, 9465, 10865, 25871, 32595, 33443, 77613, 100329, 129355, 167215, 388065, 501645, 1371163, 4113489, 6855815, 20567445]

約数ペア:

[(1, 20567445), (3, 6855815), (5, 4113489), (15, 1371163), (41, 501645), (53, 388065), (123, 167215), (159, 129355), (205, 100329), (265, 77613), (615, 33443), (631, 32595), (795, 25871), (1893, 10865), (2173, 9465), (3155, 6519)]