20620680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{757}}^1$

素因数の和:998

約数の個数: 64

約数和(自身を含む): 62216640

約数和(自身を除く): 41595960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 227, 454, 681, 757, 908, 1135, 1362, 1514, 1816, 2270, 2271, 2724, 3028, 3405, 3785, 4540, 4542, 5448, 6056, 6810, 7570, 9080, 9084, 11355, 13620, 15140, 18168, 22710, 27240, 30280, 45420, 90840, 171839, 343678, 515517, 687356, 859195, 1031034, 1374712, 1718390, 2062068, 2577585, 3436780, 4124136, 5155170, 6873560, 10310340, 20620680]

約数ペア:

[(1, 20620680), (2, 10310340), (3, 6873560), (4, 5155170), (5, 4124136), (6, 3436780), (8, 2577585), (10, 2062068), (12, 1718390), (15, 1374712), (20, 1031034), (24, 859195), (30, 687356), (40, 515517), (60, 343678), (120, 171839), (227, 90840), (454, 45420), (681, 30280), (757, 27240), (908, 22710), (1135, 18168), (1362, 15140), (1514, 13620), (1816, 11355), (2270, 9084), (2271, 9080), (2724, 7570), (3028, 6810), (3405, 6056), (3785, 5448), (4540, 4542)]