20398992

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{13709}}^1$

素因数の和:13751

約数の個数: 40

約数和(自身を含む): 54401280

約数和(自身を除く): 34002288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1488, 13709, 27418, 41127, 54836, 82254, 109672, 164508, 219344, 329016, 424979, 658032, 849958, 1274937, 1699916, 2549874, 3399832, 5099748, 6799664, 10199496, 20398992]

約数ペア:

[(1, 20398992), (2, 10199496), (3, 6799664), (4, 5099748), (6, 3399832), (8, 2549874), (12, 1699916), (16, 1274937), (24, 849958), (31, 658032), (48, 424979), (62, 329016), (93, 219344), (124, 164508), (186, 109672), (248, 82254), (372, 54836), (496, 41127), (744, 27418), (1488, 13709)]