20809367032

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{1283}}^1\times {\mathrm{4957}}^1$

素因数の和:6655

約数の個数: 32

約数和(自身を含む): 39151342800

約数和(自身を除く): 18341975768

約数列:

[1, 2, 4, 8, 409, 818, 1283, 1636, 2566, 3272, 4957, 5132, 9914, 10264, 19828, 39656, 524747, 1049494, 2027413, 2098988, 4054826, 4197976, 6359831, 8109652, 12719662, 16219304, 25439324, 50878648, 2601170879, 5202341758, 10404683516, 20809367032]

約数ペア:

[(1, 20809367032), (2, 10404683516), (4, 5202341758), (8, 2601170879), (409, 50878648), (818, 25439324), (1283, 16219304), (1636, 12719662), (2566, 8109652), (3272, 6359831), (4957, 4197976), (5132, 4054826), (9914, 2098988), (10264, 2027413), (19828, 1049494), (39656, 524747)]