20954970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{77611}}^1$

素因数の和:77627

約数の個数: 32

約数和(自身を含む): 55880640

約数和(自身を除く): 34925670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 77611, 155222, 232833, 388055, 465666, 698499, 776110, 1164165, 1396998, 2095497, 2328330, 3492495, 4190994, 6984990, 10477485, 20954970]

約数ペア:

[(1, 20954970), (2, 10477485), (3, 6984990), (5, 4190994), (6, 3492495), (9, 2328330), (10, 2095497), (15, 1396998), (18, 1164165), (27, 776110), (30, 698499), (45, 465666), (54, 388055), (90, 232833), (135, 155222), (270, 77611)]