20630895

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 34013952

約数和(自身を除く): 13383057

約数列:

[1, 3, 5, 15, 73, 83, 219, 227, 249, 365, 415, 681, 1095, 1135, 1245, 3405, 6059, 16571, 18177, 18841, 30295, 49713, 56523, 82855, 90885, 94205, 248565, 282615, 1375393, 4126179, 6876965, 20630895]

約数ペア:

[(1, 20630895), (3, 6876965), (5, 4126179), (15, 1375393), (73, 282615), (83, 248565), (219, 94205), (227, 90885), (249, 82855), (365, 56523), (415, 49713), (681, 30295), (1095, 18841), (1135, 18177), (1245, 16571), (3405, 6059)]