20451912

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{65551}}^1$

素因数の和:65573

約数の個数: 32

約数和(自身を含む): 55063680

約数和(自身を除く): 34611768

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 65551, 131102, 196653, 262204, 393306, 524408, 786612, 852163, 1573224, 1704326, 2556489, 3408652, 5112978, 6817304, 10225956, 20451912]

約数ペア:

[(1, 20451912), (2, 10225956), (3, 6817304), (4, 5112978), (6, 3408652), (8, 2556489), (12, 1704326), (13, 1573224), (24, 852163), (26, 786612), (39, 524408), (52, 393306), (78, 262204), (104, 196653), (156, 131102), (312, 65551)]