20790384

素因数分解:

$2^4\times 3^1\times {\mathrm{181}}^1\times {\mathrm{2393}}^1$

素因数の和:2585

約数の個数: 40

約数和(自身を含む): 54027792

約数和(自身を除く): 33237408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 181, 362, 543, 724, 1086, 1448, 2172, 2393, 2896, 4344, 4786, 7179, 8688, 9572, 14358, 19144, 28716, 38288, 57432, 114864, 433133, 866266, 1299399, 1732532, 2598798, 3465064, 5197596, 6930128, 10395192, 20790384]

約数ペア:

[(1, 20790384), (2, 10395192), (3, 6930128), (4, 5197596), (6, 3465064), (8, 2598798), (12, 1732532), (16, 1299399), (24, 866266), (48, 433133), (181, 114864), (362, 57432), (543, 38288), (724, 28716), (1086, 19144), (1448, 14358), (2172, 9572), (2393, 8688), (2896, 7179), (4344, 4786)]