20194760

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1613}}^1$

素因数の和:1937

約数の個数: 32

約数和(自身を含む): 45611640

約数和(自身を除く): 25416880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 1613, 2504, 3130, 3226, 6260, 6452, 8065, 12520, 12904, 16130, 32260, 64520, 504869, 1009738, 2019476, 2524345, 4038952, 5048690, 10097380, 20194760]

約数ペア:

[(1, 20194760), (2, 10097380), (4, 5048690), (5, 4038952), (8, 2524345), (10, 2019476), (20, 1009738), (40, 504869), (313, 64520), (626, 32260), (1252, 16130), (1565, 12904), (1613, 12520), (2504, 8065), (3130, 6452), (3226, 6260)]