20123080336

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{718271}}^1$

素因数の和:718399

約数の個数: 40

約数和(自身を含む): 41682760704

約数和(自身を除く): 21559680368

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 103, 136, 206, 272, 412, 824, 1648, 1751, 3502, 7004, 14008, 28016, 718271, 1436542, 2873084, 5746168, 11492336, 12210607, 24421214, 48842428, 73981913, 97684856, 147963826, 195369712, 295927652, 591855304, 1183710608, 1257692521, 2515385042, 5030770084, 10061540168, 20123080336]

約数ペア:

[(1, 20123080336), (2, 10061540168), (4, 5030770084), (8, 2515385042), (16, 1257692521), (17, 1183710608), (34, 591855304), (68, 295927652), (103, 195369712), (136, 147963826), (206, 97684856), (272, 73981913), (412, 48842428), (824, 24421214), (1648, 12210607), (1751, 11492336), (3502, 5746168), (7004, 2873084), (14008, 1436542), (28016, 718271)]