20845850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{21943}}^1$

素因数の和:21974

約数の個数: 24

約数和(自身を含む): 40815840

約数和(自身を除く): 19969990

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 21943, 43886, 109715, 219430, 416917, 548575, 833834, 1097150, 2084585, 4169170, 10422925, 20845850]

約数ペア:

[(1, 20845850), (2, 10422925), (5, 4169170), (10, 2084585), (19, 1097150), (25, 833834), (38, 548575), (50, 416917), (95, 219430), (190, 109715), (475, 43886), (950, 21943)]