20623796

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{719}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 37013760

約数和(自身を除く): 16389964

約数列:

[1, 2, 4, 71, 101, 142, 202, 284, 404, 719, 1438, 2876, 7171, 14342, 28684, 51049, 72619, 102098, 145238, 204196, 290476, 5155949, 10311898, 20623796]

約数ペア:

[(1, 20623796), (2, 10311898), (4, 5155949), (71, 290476), (101, 204196), (142, 145238), (202, 102098), (284, 72619), (404, 51049), (719, 28684), (1438, 14342), (2876, 7171)]