20207570

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{853}}^1$

素因数の和:986

約数の個数: 32

約数和(自身を含む): 38368512

約数和(自身を除く): 18160942

約数列:

[1, 2, 5, 10, 23, 46, 103, 115, 206, 230, 515, 853, 1030, 1706, 2369, 4265, 4738, 8530, 11845, 19619, 23690, 39238, 87859, 98095, 175718, 196190, 439295, 878590, 2020757, 4041514, 10103785, 20207570]

約数ペア:

[(1, 20207570), (2, 10103785), (5, 4041514), (10, 2020757), (23, 878590), (46, 439295), (103, 196190), (115, 175718), (206, 98095), (230, 87859), (515, 39238), (853, 23690), (1030, 19619), (1706, 11845), (2369, 8530), (4265, 4738)]