20797600965

素因数分解:

$3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{311}}^1\times {\mathrm{16451}}^1$

素因数の和:17041

約数の個数: 32

約数和(自身を含む): 33508380672

約数和(自身を除く): 12710779707

約数列:

[1, 3, 5, 15, 271, 311, 813, 933, 1355, 1555, 4065, 4665, 16451, 49353, 82255, 84281, 246765, 252843, 421405, 1264215, 4458221, 5116261, 13374663, 15348783, 22291105, 25581305, 66873315, 76743915, 1386506731, 4159520193, 6932533655, 20797600965]

約数ペア:

[(1, 20797600965), (3, 6932533655), (5, 4159520193), (15, 1386506731), (271, 76743915), (311, 66873315), (813, 25581305), (933, 22291105), (1355, 15348783), (1555, 13374663), (4065, 5116261), (4665, 4458221), (16451, 1264215), (49353, 421405), (82255, 252843), (84281, 246765)]