20694512

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{18217}}^1$

素因数の和:18296

約数の個数: 20

約数和(自身を含む): 40662576

約数和(自身を除く): 19968064

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 18217, 36434, 72868, 145736, 291472, 1293407, 2586814, 5173628, 10347256, 20694512]

約数ペア:

[(1, 20694512), (2, 10347256), (4, 5173628), (8, 2586814), (16, 1293407), (71, 291472), (142, 145736), (284, 72868), (568, 36434), (1136, 18217)]