20511848

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6911}}^1$

素因数の和:6977

約数の個数: 32

約数和(自身を含む): 44789760

約数和(自身を除く): 24277912

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 6911, 13822, 27644, 48377, 55288, 96754, 193508, 366283, 387016, 732566, 1465132, 2563981, 2930264, 5127962, 10255924, 20511848]

約数ペア:

[(1, 20511848), (2, 10255924), (4, 5127962), (7, 2930264), (8, 2563981), (14, 1465132), (28, 732566), (53, 387016), (56, 366283), (106, 193508), (212, 96754), (371, 55288), (424, 48377), (742, 27644), (1484, 13822), (2968, 6911)]