20130540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2137}}^1$

素因数の和:2306

約数の個数: 48

約数和(自身を含む): 56751072

約数和(自身を除く): 36620532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2137, 2355, 3140, 4274, 4710, 6411, 8548, 9420, 10685, 12822, 21370, 25644, 32055, 42740, 64110, 128220, 335509, 671018, 1006527, 1342036, 1677545, 2013054, 3355090, 4026108, 5032635, 6710180, 10065270, 20130540]

約数ペア:

[(1, 20130540), (2, 10065270), (3, 6710180), (4, 5032635), (5, 4026108), (6, 3355090), (10, 2013054), (12, 1677545), (15, 1342036), (20, 1006527), (30, 671018), (60, 335509), (157, 128220), (314, 64110), (471, 42740), (628, 32055), (785, 25644), (942, 21370), (1570, 12822), (1884, 10685), (2137, 9420), (2355, 8548), (3140, 6411), (4274, 4710)]