20565384

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{751}}^1$

素因数の和:930

約数の個数: 64

約数和(自身を含む): 59197440

約数和(自身を除く): 38632056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 163, 168, 326, 489, 652, 751, 978, 1141, 1304, 1502, 1956, 2253, 2282, 3004, 3423, 3912, 4506, 4564, 5257, 6008, 6846, 9012, 9128, 10514, 13692, 15771, 18024, 21028, 27384, 31542, 42056, 63084, 122413, 126168, 244826, 367239, 489652, 734478, 856891, 979304, 1468956, 1713782, 2570673, 2937912, 3427564, 5141346, 6855128, 10282692, 20565384]

約数ペア:

[(1, 20565384), (2, 10282692), (3, 6855128), (4, 5141346), (6, 3427564), (7, 2937912), (8, 2570673), (12, 1713782), (14, 1468956), (21, 979304), (24, 856891), (28, 734478), (42, 489652), (56, 367239), (84, 244826), (163, 126168), (168, 122413), (326, 63084), (489, 42056), (652, 31542), (751, 27384), (978, 21028), (1141, 18024), (1304, 15771), (1502, 13692), (1956, 10514), (2253, 9128), (2282, 9012), (3004, 6846), (3423, 6008), (3912, 5257), (4506, 4564)]