20987808

素因数分解:

$2^5\times 3^1\times {\mathrm{218623}}^1$

素因数の和:218636

約数の個数: 24

約数和(自身を含む): 55093248

約数和(自身を除く): 34105440

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 218623, 437246, 655869, 874492, 1311738, 1748984, 2623476, 3497968, 5246952, 6995936, 10493904, 20987808]

約数ペア:

[(1, 20987808), (2, 10493904), (3, 6995936), (4, 5246952), (6, 3497968), (8, 2623476), (12, 1748984), (16, 1311738), (24, 874492), (32, 655869), (48, 437246), (96, 218623)]