20703056

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1489}}^1$

素因数の和:1587

約数の個数: 40

約数和(自身を含む): 44342400

約数和(自身を除く): 23639344

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 79, 88, 158, 176, 316, 632, 869, 1264, 1489, 1738, 2978, 3476, 5956, 6952, 11912, 13904, 16379, 23824, 32758, 65516, 117631, 131032, 235262, 262064, 470524, 941048, 1293941, 1882096, 2587882, 5175764, 10351528, 20703056]

約数ペア:

[(1, 20703056), (2, 10351528), (4, 5175764), (8, 2587882), (11, 1882096), (16, 1293941), (22, 941048), (44, 470524), (79, 262064), (88, 235262), (158, 131032), (176, 117631), (316, 65516), (632, 32758), (869, 23824), (1264, 16379), (1489, 13904), (1738, 11912), (2978, 6952), (3476, 5956)]