20467020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48731}}^1$

素因数の和:48750

約数の個数: 48

約数和(自身を含む): 65495808

約数和(自身を除く): 45028788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 48731, 97462, 146193, 194924, 243655, 292386, 341117, 487310, 584772, 682234, 730965, 974620, 1023351, 1364468, 1461930, 1705585, 2046702, 2923860, 3411170, 4093404, 5116755, 6822340, 10233510, 20467020]

約数ペア:

[(1, 20467020), (2, 10233510), (3, 6822340), (4, 5116755), (5, 4093404), (6, 3411170), (7, 2923860), (10, 2046702), (12, 1705585), (14, 1461930), (15, 1364468), (20, 1023351), (21, 974620), (28, 730965), (30, 682234), (35, 584772), (42, 487310), (60, 341117), (70, 292386), (84, 243655), (105, 194924), (140, 146193), (210, 97462), (420, 48731)]