20215335072

素因数分解:

$2^5\times 3^1\times {\mathrm{157}}^2\times {\mathrm{8543}}^1$

素因数の和:8870

約数の個数: 72

約数和(自身を含む): 53411654016

約数和(自身を除く): 33196318944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 157, 314, 471, 628, 942, 1256, 1884, 2512, 3768, 5024, 7536, 8543, 15072, 17086, 24649, 25629, 34172, 49298, 51258, 68344, 73947, 98596, 102516, 136688, 147894, 197192, 205032, 273376, 295788, 394384, 410064, 591576, 788768, 820128, 1183152, 1341251, 2366304, 2682502, 4023753, 5365004, 8047506, 10730008, 16095012, 21460016, 32190024, 42920032, 64380048, 128760096, 210576407, 421152814, 631729221, 842305628, 1263458442, 1684611256, 2526916884, 3369222512, 5053833768, 6738445024, 10107667536, 20215335072]

約数ペア:

[(1, 20215335072), (2, 10107667536), (3, 6738445024), (4, 5053833768), (6, 3369222512), (8, 2526916884), (12, 1684611256), (16, 1263458442), (24, 842305628), (32, 631729221), (48, 421152814), (96, 210576407), (157, 128760096), (314, 64380048), (471, 42920032), (628, 32190024), (942, 21460016), (1256, 16095012), (1884, 10730008), (2512, 8047506), (3768, 5365004), (5024, 4023753), (7536, 2682502), (8543, 2366304), (15072, 1341251), (17086, 1183152), (24649, 820128), (25629, 788768), (34172, 591576), (49298, 410064), (51258, 394384), (68344, 295788), (73947, 273376), (98596, 205032), (102516, 197192), (136688, 147894)]