20284436

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 39070080

約数和(自身を除く): 18785644

約数列:

[1, 2, 4, 23, 37, 46, 59, 74, 92, 101, 118, 148, 202, 236, 404, 851, 1357, 1702, 2183, 2323, 2714, 3404, 3737, 4366, 4646, 5428, 5959, 7474, 8732, 9292, 11918, 14948, 23836, 50209, 85951, 100418, 137057, 171902, 200836, 220483, 274114, 343804, 440966, 548228, 881932, 5071109, 10142218, 20284436]

約数ペア:

[(1, 20284436), (2, 10142218), (4, 5071109), (23, 881932), (37, 548228), (46, 440966), (59, 343804), (74, 274114), (92, 220483), (101, 200836), (118, 171902), (148, 137057), (202, 100418), (236, 85951), (404, 50209), (851, 23836), (1357, 14948), (1702, 11918), (2183, 9292), (2323, 8732), (2714, 7474), (3404, 5959), (3737, 5428), (4366, 4646)]