20469790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{491}}^1$

素因数の和:888

約数の個数: 32

約数和(自身を含む): 40383360

約数和(自身を除く): 19913570

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 379, 491, 758, 982, 1895, 2455, 3790, 4169, 4910, 5401, 8338, 10802, 20845, 27005, 41690, 54010, 186089, 372178, 930445, 1860890, 2046979, 4093958, 10234895, 20469790]

約数ペア:

[(1, 20469790), (2, 10234895), (5, 4093958), (10, 2046979), (11, 1860890), (22, 930445), (55, 372178), (110, 186089), (379, 54010), (491, 41690), (758, 27005), (982, 20845), (1895, 10802), (2455, 8338), (3790, 5401), (4169, 4910)]