20912424

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{691}}^1$

素因数の和:810

約数の個数: 64

約数和(自身を含む): 56965440

約数和(自身を除く): 36053016

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 97, 104, 156, 194, 291, 312, 388, 582, 691, 776, 1164, 1261, 1382, 2073, 2328, 2522, 2764, 3783, 4146, 5044, 5528, 7566, 8292, 8983, 10088, 15132, 16584, 17966, 26949, 30264, 35932, 53898, 67027, 71864, 107796, 134054, 201081, 215592, 268108, 402162, 536216, 804324, 871351, 1608648, 1742702, 2614053, 3485404, 5228106, 6970808, 10456212, 20912424]

約数ペア:

[(1, 20912424), (2, 10456212), (3, 6970808), (4, 5228106), (6, 3485404), (8, 2614053), (12, 1742702), (13, 1608648), (24, 871351), (26, 804324), (39, 536216), (52, 402162), (78, 268108), (97, 215592), (104, 201081), (156, 134054), (194, 107796), (291, 71864), (312, 67027), (388, 53898), (582, 35932), (691, 30264), (776, 26949), (1164, 17966), (1261, 16584), (1382, 15132), (2073, 10088), (2328, 8983), (2522, 8292), (2764, 7566), (3783, 5528), (4146, 5044)]