19940280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{166169}}^1$

素因数の和:166183

約数の個数: 32

約数和(自身を含む): 59821200

約数和(自身を除く): 39880920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 166169, 332338, 498507, 664676, 830845, 997014, 1329352, 1661690, 1994028, 2492535, 3323380, 3988056, 4985070, 6646760, 9970140, 19940280]

約数ペア:

[(1, 19940280), (2, 9970140), (3, 6646760), (4, 4985070), (5, 3988056), (6, 3323380), (8, 2492535), (10, 1994028), (12, 1661690), (15, 1329352), (20, 997014), (24, 830845), (30, 664676), (40, 498507), (60, 332338), (120, 166169)]