20593890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5581}}^1$

素因数の和:5635

約数の個数: 48

約数和(自身を含む): 54859896

約数和(自身を除く): 34266006

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 205, 246, 369, 410, 615, 738, 1230, 1845, 3690, 5581, 11162, 16743, 27905, 33486, 50229, 55810, 83715, 100458, 167430, 228821, 251145, 457642, 502290, 686463, 1144105, 1372926, 2059389, 2288210, 3432315, 4118778, 6864630, 10296945, 20593890]

約数ペア:

[(1, 20593890), (2, 10296945), (3, 6864630), (5, 4118778), (6, 3432315), (9, 2288210), (10, 2059389), (15, 1372926), (18, 1144105), (30, 686463), (41, 502290), (45, 457642), (82, 251145), (90, 228821), (123, 167430), (205, 100458), (246, 83715), (369, 55810), (410, 50229), (615, 33486), (738, 27905), (1230, 16743), (1845, 11162), (3690, 5581)]