20161255806

素因数分解:

$2^1\times 3^3\times {\mathrm{97}}^1\times {\mathrm{179}}^1\times {\mathrm{21503}}^1$

素因数の和:21790

約数の個数: 64

約数和(自身を含む): 45519667200

約数和(自身を除く): 25358411394

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 97, 179, 194, 291, 358, 537, 582, 873, 1074, 1611, 1746, 2619, 3222, 4833, 5238, 9666, 17363, 21503, 34726, 43006, 52089, 64509, 104178, 129018, 156267, 193527, 312534, 387054, 468801, 580581, 937602, 1161162, 2085791, 3849037, 4171582, 6257373, 7698074, 11547111, 12514746, 18772119, 23094222, 34641333, 37544238, 56316357, 69282666, 103923999, 112632714, 207847998, 373356589, 746713178, 1120069767, 2240139534, 3360209301, 6720418602, 10080627903, 20161255806]

約数ペア:

[(1, 20161255806), (2, 10080627903), (3, 6720418602), (6, 3360209301), (9, 2240139534), (18, 1120069767), (27, 746713178), (54, 373356589), (97, 207847998), (179, 112632714), (194, 103923999), (291, 69282666), (358, 56316357), (537, 37544238), (582, 34641333), (873, 23094222), (1074, 18772119), (1611, 12514746), (1746, 11547111), (2619, 7698074), (3222, 6257373), (4833, 4171582), (5238, 3849037), (9666, 2085791), (17363, 1161162), (21503, 937602), (34726, 580581), (43006, 468801), (52089, 387054), (64509, 312534), (104178, 193527), (129018, 156267)]