20619730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2423}}^1$

素因数の和:2490

約数の個数: 32

約数和(自身を含む): 39792384

約数和(自身を除く): 19172654

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 115, 185, 230, 370, 851, 1702, 2423, 4255, 4846, 8510, 12115, 24230, 55729, 89651, 111458, 179302, 278645, 448255, 557290, 896510, 2061973, 4123946, 10309865, 20619730]

約数ペア:

[(1, 20619730), (2, 10309865), (5, 4123946), (10, 2061973), (23, 896510), (37, 557290), (46, 448255), (74, 278645), (115, 179302), (185, 111458), (230, 89651), (370, 55729), (851, 24230), (1702, 12115), (2423, 8510), (4255, 4846)]