20580456

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{65963}}^1$

素因数の和:65985

約数の個数: 32

約数和(自身を含む): 55409760

約数和(自身を除く): 34829304

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 65963, 131926, 197889, 263852, 395778, 527704, 791556, 857519, 1583112, 1715038, 2572557, 3430076, 5145114, 6860152, 10290228, 20580456]

約数ペア:

[(1, 20580456), (2, 10290228), (3, 6860152), (4, 5145114), (6, 3430076), (8, 2572557), (12, 1715038), (13, 1583112), (24, 857519), (26, 791556), (39, 527704), (52, 395778), (78, 263852), (104, 197889), (156, 131926), (312, 65963)]