20147812

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1163}}^1$

素因数の和:1299

約数の個数: 24

約数和(自身を含む): 36372672

約数和(自身を除く): 16224860

約数列:

[1, 2, 4, 61, 71, 122, 142, 244, 284, 1163, 2326, 4331, 4652, 8662, 17324, 70943, 82573, 141886, 165146, 283772, 330292, 5036953, 10073906, 20147812]

約数ペア:

[(1, 20147812), (2, 10073906), (4, 5036953), (61, 330292), (71, 283772), (122, 165146), (142, 141886), (244, 82573), (284, 70943), (1163, 17324), (2326, 8662), (4331, 4652)]