20339930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1613}}^1$

素因数の和:1730

約数の個数: 32

約数和(自身を含む): 39859344

約数和(自身を除く): 19519414

約数列:

[1, 2, 5, 10, 13, 26, 65, 97, 130, 194, 485, 970, 1261, 1613, 2522, 3226, 6305, 8065, 12610, 16130, 20969, 41938, 104845, 156461, 209690, 312922, 782305, 1564610, 2033993, 4067986, 10169965, 20339930]

約数ペア:

[(1, 20339930), (2, 10169965), (5, 4067986), (10, 2033993), (13, 1564610), (26, 782305), (65, 312922), (97, 209690), (130, 156461), (194, 104845), (485, 41938), (970, 20969), (1261, 16130), (1613, 12610), (2522, 8065), (3226, 6305)]