20667452728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{773251}}^1$

素因数の和:773527

約数の個数: 32

約数和(自身を含む): 41894793360

約数和(自身を除く): 21227340632

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 257, 514, 1028, 2056, 3341, 6682, 13364, 26728, 773251, 1546502, 3093004, 6186008, 10052263, 20104526, 40209052, 80418104, 198725507, 397451014, 794902028, 1589804056, 2583431591, 5166863182, 10333726364, 20667452728]

約数ペア:

[(1, 20667452728), (2, 10333726364), (4, 5166863182), (8, 2583431591), (13, 1589804056), (26, 794902028), (52, 397451014), (104, 198725507), (257, 80418104), (514, 40209052), (1028, 20104526), (2056, 10052263), (3341, 6186008), (6682, 3093004), (13364, 1546502), (26728, 773251)]