20471293930

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{541}}^1\times {\mathrm{13963}}^1$

素因数の和:14782

約数の個数: 32

約数和(自身を含む): 37055317248

約数和(自身を除く): 16584023318

約数列:

[1, 2, 5, 10, 271, 541, 542, 1082, 1355, 2705, 2710, 5410, 13963, 27926, 69815, 139630, 146611, 293222, 733055, 1466110, 3783973, 7553983, 7567946, 15107966, 18919865, 37769915, 37839730, 75539830, 2047129393, 4094258786, 10235646965, 20471293930]

約数ペア:

[(1, 20471293930), (2, 10235646965), (5, 4094258786), (10, 2047129393), (271, 75539830), (541, 37839730), (542, 37769915), (1082, 18919865), (1355, 15107966), (2705, 7567946), (2710, 7553983), (5410, 3783973), (13963, 1466110), (27926, 733055), (69815, 293222), (139630, 146611)]