20889974

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{12539}}^1$

素因数の和:12572

約数の個数: 24

約数和(自身を含む): 38598120

約数和(自身を除く): 17708146

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 833, 1666, 12539, 25078, 87773, 175546, 213163, 426326, 614411, 1228822, 1492141, 2984282, 10444987, 20889974]

約数ペア:

[(1, 20889974), (2, 10444987), (7, 2984282), (14, 1492141), (17, 1228822), (34, 614411), (49, 426326), (98, 213163), (119, 175546), (238, 87773), (833, 25078), (1666, 12539)]