20609296

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1123}}^1$

素因数の和:1199

約数の個数: 40

約数和(自身を含む): 42370304

約数和(自身を除く): 21761008

約数列:

[1, 2, 4, 8, 16, 31, 37, 62, 74, 124, 148, 248, 296, 496, 592, 1123, 1147, 2246, 2294, 4492, 4588, 8984, 9176, 17968, 18352, 34813, 41551, 69626, 83102, 139252, 166204, 278504, 332408, 557008, 664816, 1288081, 2576162, 5152324, 10304648, 20609296]

約数ペア:

[(1, 20609296), (2, 10304648), (4, 5152324), (8, 2576162), (16, 1288081), (31, 664816), (37, 557008), (62, 332408), (74, 278504), (124, 166204), (148, 139252), (248, 83102), (296, 69626), (496, 41551), (592, 34813), (1123, 18352), (1147, 17968), (2246, 9176), (2294, 8984), (4492, 4588)]