20894820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{348247}}^1$

素因数の和:348259

約数の個数: 24

約数和(自身を含む): 58505664

約数和(自身を除く): 37610844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 348247, 696494, 1044741, 1392988, 1741235, 2089482, 3482470, 4178964, 5223705, 6964940, 10447410, 20894820]

約数ペア:

[(1, 20894820), (2, 10447410), (3, 6964940), (4, 5223705), (5, 4178964), (6, 3482470), (10, 2089482), (12, 1741235), (15, 1392988), (20, 1044741), (30, 696494), (60, 348247)]