20177291368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1\times {\mathrm{13997}}^1$

素因数の和:14266

約数の個数: 64

約数和(自身を含む): 41483352960

約数和(自身を除く): 21306061592

約数列:

[1, 2, 4, 8, 13, 26, 52, 83, 104, 166, 167, 332, 334, 664, 668, 1079, 1336, 2158, 2171, 4316, 4342, 8632, 8684, 13861, 13997, 17368, 27722, 27994, 55444, 55988, 110888, 111976, 180193, 181961, 360386, 363922, 720772, 727844, 1161751, 1441544, 1455688, 2323502, 2337499, 4647004, 4674998, 9294008, 9349996, 15102763, 18699992, 30205526, 30387487, 60411052, 60774974, 120822104, 121549948, 194012417, 243099896, 388024834, 776049668, 1552099336, 2522161421, 5044322842, 10088645684, 20177291368]

約数ペア:

[(1, 20177291368), (2, 10088645684), (4, 5044322842), (8, 2522161421), (13, 1552099336), (26, 776049668), (52, 388024834), (83, 243099896), (104, 194012417), (166, 121549948), (167, 120822104), (332, 60774974), (334, 60411052), (664, 30387487), (668, 30205526), (1079, 18699992), (1336, 15102763), (2158, 9349996), (2171, 9294008), (4316, 4674998), (4342, 4647004), (8632, 2337499), (8684, 2323502), (13861, 1455688), (13997, 1441544), (17368, 1161751), (27722, 727844), (27994, 720772), (55444, 363922), (55988, 360386), (110888, 181961), (111976, 180193)]