20126600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7741}}^1$

素因数の和:7770

約数の個数: 48

約数和(自身を含む): 50400420

約数和(自身を除く): 30273820

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 7741, 15482, 30964, 38705, 61928, 77410, 100633, 154820, 193525, 201266, 309640, 387050, 402532, 503165, 774100, 805064, 1006330, 1548200, 2012660, 2515825, 4025320, 5031650, 10063300, 20126600]

約数ペア:

[(1, 20126600), (2, 10063300), (4, 5031650), (5, 4025320), (8, 2515825), (10, 2012660), (13, 1548200), (20, 1006330), (25, 805064), (26, 774100), (40, 503165), (50, 402532), (52, 387050), (65, 309640), (100, 201266), (104, 193525), (130, 154820), (200, 100633), (260, 77410), (325, 61928), (520, 38705), (650, 30964), (1300, 15482), (2600, 7741)]