20512222042

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1223}}^1\times {\mathrm{20809}}^1$

素因数の和:22078

約数の個数: 32

約数和(自身を含む): 34233615360

約数和(自身を除く): 13721393318

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 1223, 2446, 15899, 20809, 31798, 37913, 41618, 75826, 270517, 492869, 541034, 645079, 985738, 1290158, 8386027, 16772054, 25449407, 50898814, 330842291, 661684582, 788931617, 1577863234, 10256111021, 20512222042]

約数ペア:

[(1, 20512222042), (2, 10256111021), (13, 1577863234), (26, 788931617), (31, 661684582), (62, 330842291), (403, 50898814), (806, 25449407), (1223, 16772054), (2446, 8386027), (15899, 1290158), (20809, 985738), (31798, 645079), (37913, 541034), (41618, 492869), (75826, 270517)]