20610432860

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1511}}^1\times {\mathrm{6257}}^1$

素因数の和:7886

約数の個数: 48

約数和(自身を含む): 43714883520

約数和(自身を除く): 23104450660

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 1511, 2180, 3022, 6044, 6257, 7555, 12514, 15110, 25028, 30220, 31285, 62570, 125140, 164699, 329398, 658796, 682013, 823495, 1364026, 1646990, 2728052, 3293980, 3410065, 6820130, 9454327, 13640260, 18908654, 37817308, 47271635, 94543270, 189086540, 1030521643, 2061043286, 4122086572, 5152608215, 10305216430, 20610432860]

約数ペア:

[(1, 20610432860), (2, 10305216430), (4, 5152608215), (5, 4122086572), (10, 2061043286), (20, 1030521643), (109, 189086540), (218, 94543270), (436, 47271635), (545, 37817308), (1090, 18908654), (1511, 13640260), (2180, 9454327), (3022, 6820130), (6044, 3410065), (6257, 3293980), (7555, 2728052), (12514, 1646990), (15110, 1364026), (25028, 823495), (30220, 682013), (31285, 658796), (62570, 329398), (125140, 164699)]