20045950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{21101}}^1$

素因数の和:21132

約数の個数: 24

約数和(自身を含む): 39249720

約数和(自身を除く): 19203770

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 21101, 42202, 105505, 211010, 400919, 527525, 801838, 1055050, 2004595, 4009190, 10022975, 20045950]

約数ペア:

[(1, 20045950), (2, 10022975), (5, 4009190), (10, 2004595), (19, 1055050), (25, 801838), (38, 527525), (50, 400919), (95, 211010), (190, 105505), (475, 42202), (950, 21101)]