20557416

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{7079}}^1$

素因数の和:7110

約数の個数: 48

約数和(自身を含む): 56498400

約数和(自身を除く): 35940984

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 121, 132, 242, 264, 363, 484, 726, 968, 1452, 2904, 7079, 14158, 21237, 28316, 42474, 56632, 77869, 84948, 155738, 169896, 233607, 311476, 467214, 622952, 856559, 934428, 1713118, 1868856, 2569677, 3426236, 5139354, 6852472, 10278708, 20557416]

約数ペア:

[(1, 20557416), (2, 10278708), (3, 6852472), (4, 5139354), (6, 3426236), (8, 2569677), (11, 1868856), (12, 1713118), (22, 934428), (24, 856559), (33, 622952), (44, 467214), (66, 311476), (88, 233607), (121, 169896), (132, 155738), (242, 84948), (264, 77869), (363, 56632), (484, 42474), (726, 28316), (968, 21237), (1452, 14158), (2904, 7079)]