20428716

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{22109}}^1$

素因数の和:22134

約数の個数: 48

約数和(自身を含む): 59431680

約数和(自身を除く): 39002964

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 22109, 44218, 66327, 88436, 132654, 154763, 243199, 265308, 309526, 464289, 486398, 619052, 729597, 928578, 972796, 1459194, 1702393, 1857156, 2918388, 3404786, 5107179, 6809572, 10214358, 20428716]

約数ペア:

[(1, 20428716), (2, 10214358), (3, 6809572), (4, 5107179), (6, 3404786), (7, 2918388), (11, 1857156), (12, 1702393), (14, 1459194), (21, 972796), (22, 928578), (28, 729597), (33, 619052), (42, 486398), (44, 464289), (66, 309526), (77, 265308), (84, 243199), (132, 154763), (154, 132654), (231, 88436), (308, 66327), (462, 44218), (924, 22109)]