20735731605

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1213}}^1\times {\mathrm{59981}}^1$

素因数の和:61221

約数の個数: 32

約数和(自身を含む): 34952711040

約数和(自身を除く): 14216979435

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 1213, 3639, 6065, 18195, 23047, 59981, 69141, 115235, 179943, 299905, 345705, 899715, 1139639, 3418917, 5698195, 17094585, 72756953, 218270859, 363784765, 1091354295, 1382382107, 4147146321, 6911910535, 20735731605]

約数ペア:

[(1, 20735731605), (3, 6911910535), (5, 4147146321), (15, 1382382107), (19, 1091354295), (57, 363784765), (95, 218270859), (285, 72756953), (1213, 17094585), (3639, 5698195), (6065, 3418917), (18195, 1139639), (23047, 899715), (59981, 345705), (69141, 299905), (115235, 179943)]