20488428

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{12109}}^1$

素因数の和:12166

約数の個数: 36

約数和(自身を含む): 52896480

約数和(自身を除く): 32408052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692, 12109, 24218, 36327, 48436, 72654, 108981, 145308, 217962, 435924, 569123, 1138246, 1707369, 2276492, 3414738, 5122107, 6829476, 10244214, 20488428]

約数ペア:

[(1, 20488428), (2, 10244214), (3, 6829476), (4, 5122107), (6, 3414738), (9, 2276492), (12, 1707369), (18, 1138246), (36, 569123), (47, 435924), (94, 217962), (141, 145308), (188, 108981), (282, 72654), (423, 48436), (564, 36327), (846, 24218), (1692, 12109)]