20801370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40787}}^1$

素因数の和:40814

約数の個数: 32

約数和(自身を含む): 52861248

約数和(自身を除く): 32059878

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 40787, 81574, 122361, 203935, 244722, 407870, 611805, 693379, 1223610, 1386758, 2080137, 3466895, 4160274, 6933790, 10400685, 20801370]

約数ペア:

[(1, 20801370), (2, 10400685), (3, 6933790), (5, 4160274), (6, 3466895), (10, 2080137), (15, 1386758), (17, 1223610), (30, 693379), (34, 611805), (51, 407870), (85, 244722), (102, 203935), (170, 122361), (255, 81574), (510, 40787)]