20196765585

素因数分解:

$3^4\times 5^1\times {\mathrm{521}}^1\times {\mathrm{95717}}^1$

素因数の和:96255

約数の個数: 40

約数和(自身を含む): 36274441896

約数和(自身を除く): 16077676311

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 521, 1563, 2605, 4689, 7815, 14067, 23445, 42201, 70335, 95717, 211005, 287151, 478585, 861453, 1435755, 2584359, 4307265, 7753077, 12921795, 38765385, 49868557, 149605671, 249342785, 448817013, 748028355, 1346451039, 2244085065, 4039353117, 6732255195, 20196765585]

約数ペア:

[(1, 20196765585), (3, 6732255195), (5, 4039353117), (9, 2244085065), (15, 1346451039), (27, 748028355), (45, 448817013), (81, 249342785), (135, 149605671), (405, 49868557), (521, 38765385), (1563, 12921795), (2605, 7753077), (4689, 4307265), (7815, 2584359), (14067, 1435755), (23445, 861453), (42201, 478585), (70335, 287151), (95717, 211005)]