20856912

素因数分解:

$2^4\times 3^1\times {\mathrm{293}}^1\times {\mathrm{1483}}^1$

素因数の和:1787

約数の個数: 40

約数和(自身を含む): 54100704

約数和(自身を除く): 33243792

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 293, 586, 879, 1172, 1483, 1758, 2344, 2966, 3516, 4449, 4688, 5932, 7032, 8898, 11864, 14064, 17796, 23728, 35592, 71184, 434519, 869038, 1303557, 1738076, 2607114, 3476152, 5214228, 6952304, 10428456, 20856912]

約数ペア:

[(1, 20856912), (2, 10428456), (3, 6952304), (4, 5214228), (6, 3476152), (8, 2607114), (12, 1738076), (16, 1303557), (24, 869038), (48, 434519), (293, 71184), (586, 35592), (879, 23728), (1172, 17796), (1483, 14064), (1758, 11864), (2344, 8898), (2966, 7032), (3516, 5932), (4449, 4688)]