20659674

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{70271}}^1$

素因数の和:70290

約数の個数: 24

約数和(自身を含む): 48066048

約数和(自身を除く): 27406374

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 70271, 140542, 210813, 421626, 491897, 983794, 1475691, 2951382, 3443279, 6886558, 10329837, 20659674]

約数ペア:

[(1, 20659674), (2, 10329837), (3, 6886558), (6, 3443279), (7, 2951382), (14, 1475691), (21, 983794), (42, 491897), (49, 421626), (98, 210813), (147, 140542), (294, 70271)]