20122505571

素因数分解:

$3^1\times 7^3\times {\mathrm{821}}^1\times {\mathrm{23819}}^1$

素因数の和:24664

約数の個数: 32

約数和(自身を含む): 31328064000

約数和(自身を除く): 11205558429

約数列:

[1, 3, 7, 21, 49, 147, 343, 821, 1029, 2463, 5747, 17241, 23819, 40229, 71457, 120687, 166733, 281603, 500199, 844809, 1167131, 3501393, 8169917, 19555399, 24509751, 58666197, 136887793, 410663379, 958214551, 2874643653, 6707501857, 20122505571]

約数ペア:

[(1, 20122505571), (3, 6707501857), (7, 2874643653), (21, 958214551), (49, 410663379), (147, 136887793), (343, 58666197), (821, 24509751), (1029, 19555399), (2463, 8169917), (5747, 3501393), (17241, 1167131), (23819, 844809), (40229, 500199), (71457, 281603), (120687, 166733)]