20857488

素因数分解:

$2^4\times 3^1\times {\mathrm{571}}^1\times {\mathrm{761}}^1$

素因数の和:1343

約数の個数: 40

約数和(自身を含む): 54047136

約数和(自身を除く): 33189648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 571, 761, 1142, 1522, 1713, 2283, 2284, 3044, 3426, 4566, 4568, 6088, 6852, 9132, 9136, 12176, 13704, 18264, 27408, 36528, 434531, 869062, 1303593, 1738124, 2607186, 3476248, 5214372, 6952496, 10428744, 20857488]

約数ペア:

[(1, 20857488), (2, 10428744), (3, 6952496), (4, 5214372), (6, 3476248), (8, 2607186), (12, 1738124), (16, 1303593), (24, 869062), (48, 434531), (571, 36528), (761, 27408), (1142, 18264), (1522, 13704), (1713, 12176), (2283, 9136), (2284, 9132), (3044, 6852), (3426, 6088), (4566, 4568)]