1820660452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{660617}}^1$

素因数の和:660687

約数の個数: 24

約数和(自身を含む): 3495990456

約数和(自身を除く): 1675330004

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 660617, 1321234, 2642468, 8588021, 17176042, 34352084, 35012701, 70025402, 140050804, 455165113, 910330226, 1820660452]

約数ペア:

[(1, 1820660452), (2, 910330226), (4, 455165113), (13, 140050804), (26, 70025402), (52, 35012701), (53, 34352084), (106, 17176042), (212, 8588021), (689, 2642468), (1378, 1321234), (2756, 660617)]