20328354

素因数分解:

$2^1\times 3^3\times {\mathrm{487}}^1\times {\mathrm{773}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 45325440

約数和(自身を除く): 24997086

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 487, 773, 974, 1461, 1546, 2319, 2922, 4383, 4638, 6957, 8766, 13149, 13914, 20871, 26298, 41742, 376451, 752902, 1129353, 2258706, 3388059, 6776118, 10164177, 20328354]

約数ペア:

[(1, 20328354), (2, 10164177), (3, 6776118), (6, 3388059), (9, 2258706), (18, 1129353), (27, 752902), (54, 376451), (487, 41742), (773, 26298), (974, 20871), (1461, 13914), (1546, 13149), (2319, 8766), (2922, 6957), (4383, 4638)]