20537296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98737}}^1$

素因数の和:98758

約数の個数: 20

約数和(自身を含む): 42852292

約数和(自身を除く): 22314996

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98737, 197474, 394948, 789896, 1283581, 1579792, 2567162, 5134324, 10268648, 20537296]

約数ペア:

[(1, 20537296), (2, 10268648), (4, 5134324), (8, 2567162), (13, 1579792), (16, 1283581), (26, 789896), (52, 394948), (104, 197474), (208, 98737)]