20347788376

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{521}}^1\times {\mathrm{1361}}^1$

素因数の和:2116

約数の個数: 64

約数和(自身を含む): 40695579360

約数和(自身を除く): 20347790984

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 211, 422, 521, 844, 1042, 1361, 1688, 2084, 2722, 3587, 4168, 5444, 7174, 8857, 10888, 14348, 17714, 23137, 28696, 35428, 46274, 70856, 92548, 109931, 185096, 219862, 287171, 439724, 574342, 709081, 879448, 1148684, 1418162, 1868827, 2297368, 2836324, 3737654, 4881907, 5672648, 7475308, 9763814, 12054377, 14950616, 19527628, 24108754, 39055256, 48217508, 96435016, 149616091, 299232182, 598464364, 1196928728, 2543473547, 5086947094, 10173894188, 20347788376]

約数ペア:

[(1, 20347788376), (2, 10173894188), (4, 5086947094), (8, 2543473547), (17, 1196928728), (34, 598464364), (68, 299232182), (136, 149616091), (211, 96435016), (422, 48217508), (521, 39055256), (844, 24108754), (1042, 19527628), (1361, 14950616), (1688, 12054377), (2084, 9763814), (2722, 7475308), (3587, 5672648), (4168, 4881907), (5444, 3737654), (7174, 2836324), (8857, 2297368), (10888, 1868827), (14348, 1418162), (17714, 1148684), (23137, 879448), (28696, 709081), (35428, 574342), (46274, 439724), (70856, 287171), (92548, 219862), (109931, 185096)]