20874500

素因数分解:

$2^2\times 5^3\times {\mathrm{83}}^1\times {\mathrm{503}}^1$

素因数の和:605

約数の個数: 48

約数和(自身を含む): 46230912

約数和(自身を除く): 25356412

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 100, 125, 166, 250, 332, 415, 500, 503, 830, 1006, 1660, 2012, 2075, 2515, 4150, 5030, 8300, 10060, 10375, 12575, 20750, 25150, 41500, 41749, 50300, 62875, 83498, 125750, 166996, 208745, 251500, 417490, 834980, 1043725, 2087450, 4174900, 5218625, 10437250, 20874500]

約数ペア:

[(1, 20874500), (2, 10437250), (4, 5218625), (5, 4174900), (10, 2087450), (20, 1043725), (25, 834980), (50, 417490), (83, 251500), (100, 208745), (125, 166996), (166, 125750), (250, 83498), (332, 62875), (415, 50300), (500, 41749), (503, 41500), (830, 25150), (1006, 20750), (1660, 12575), (2012, 10375), (2075, 10060), (2515, 8300), (4150, 5030)]