20620100

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{5573}}^1$

素因数の和:5624

約数の個数: 36

約数和(自身を含む): 45963204

約数和(自身を除く): 25343104

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 370, 740, 925, 1850, 3700, 5573, 11146, 22292, 27865, 55730, 111460, 139325, 206201, 278650, 412402, 557300, 824804, 1031005, 2062010, 4124020, 5155025, 10310050, 20620100]

約数ペア:

[(1, 20620100), (2, 10310050), (4, 5155025), (5, 4124020), (10, 2062010), (20, 1031005), (25, 824804), (37, 557300), (50, 412402), (74, 278650), (100, 206201), (148, 139325), (185, 111460), (370, 55730), (740, 27865), (925, 22292), (1850, 11146), (3700, 5573)]