20419762

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{379}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 35020800

約数和(自身を除く): 14601038

約数列:

[1, 2, 11, 22, 31, 62, 79, 158, 341, 379, 682, 758, 869, 1738, 2449, 4169, 4898, 8338, 11749, 23498, 26939, 29941, 53878, 59882, 129239, 258478, 329351, 658702, 928171, 1856342, 10209881, 20419762]

約数ペア:

[(1, 20419762), (2, 10209881), (11, 1856342), (22, 928171), (31, 658702), (62, 329351), (79, 258478), (158, 129239), (341, 59882), (379, 53878), (682, 29941), (758, 26939), (869, 23498), (1738, 11749), (2449, 8338), (4169, 4898)]