20734476

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{246839}}^1$

素因数の和:246853

約数の個数: 24

約数和(自身を含む): 55292160

約数和(自身を除く): 34557684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 246839, 493678, 740517, 987356, 1481034, 1727873, 2962068, 3455746, 5183619, 6911492, 10367238, 20734476]

約数ペア:

[(1, 20734476), (2, 10367238), (3, 6911492), (4, 5183619), (6, 3455746), (7, 2962068), (12, 1727873), (14, 1481034), (21, 987356), (28, 740517), (42, 493678), (84, 246839)]