20587985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2693}}^1$

素因数の和:2848

約数の個数: 16

約数和(自身を含む): 27155520

約数和(自身を除く): 6567535

約数列:

[1, 5, 11, 55, 139, 695, 1529, 2693, 7645, 13465, 29623, 148115, 374327, 1871635, 4117597, 20587985]

約数ペア:

[(1, 20587985), (5, 4117597), (11, 1871635), (55, 374327), (139, 148115), (695, 29623), (1529, 13465), (2693, 7645)]