20276888

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1123}}^1$

素因数の和:1227

約数の個数: 32

約数和(自身を含む): 39722160

約数和(自身を除く): 19445272

約数列:

[1, 2, 4, 8, 37, 61, 74, 122, 148, 244, 296, 488, 1123, 2246, 2257, 4492, 4514, 8984, 9028, 18056, 41551, 68503, 83102, 137006, 166204, 274012, 332408, 548024, 2534611, 5069222, 10138444, 20276888]

約数ペア:

[(1, 20276888), (2, 10138444), (4, 5069222), (8, 2534611), (37, 548024), (61, 332408), (74, 274012), (122, 166204), (148, 137006), (244, 83102), (296, 68503), (488, 41551), (1123, 18056), (2246, 9028), (2257, 8984), (4492, 4514)]