20060816

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{563}}^1$

素因数の和:719

約数の個数: 40

約数和(自身を含む): 41541984

約数和(自身を除く): 21481168

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 131, 136, 262, 272, 524, 563, 1048, 1126, 2096, 2227, 2252, 4454, 4504, 8908, 9008, 9571, 17816, 19142, 35632, 38284, 73753, 76568, 147506, 153136, 295012, 590024, 1180048, 1253801, 2507602, 5015204, 10030408, 20060816]

約数ペア:

[(1, 20060816), (2, 10030408), (4, 5015204), (8, 2507602), (16, 1253801), (17, 1180048), (34, 590024), (68, 295012), (131, 153136), (136, 147506), (262, 76568), (272, 73753), (524, 38284), (563, 35632), (1048, 19142), (1126, 17816), (2096, 9571), (2227, 9008), (2252, 8908), (4454, 4504)]