20147980108

素因数分解:

$2^2\times {\mathrm{239}}^1\times {\mathrm{283}}^1\times {\mathrm{74471}}^1$

素因数の和:74997

約数の個数: 24

約数和(自身を含む): 35532080640

約数和(自身を除く): 15384100532

約数列:

[1, 2, 4, 239, 283, 478, 566, 956, 1132, 67637, 74471, 135274, 148942, 270548, 297884, 17798569, 21075293, 35597138, 42150586, 71194276, 84301172, 5036995027, 10073990054, 20147980108]

約数ペア:

[(1, 20147980108), (2, 10073990054), (4, 5036995027), (239, 84301172), (283, 71194276), (478, 42150586), (566, 35597138), (956, 21075293), (1132, 17798569), (67637, 297884), (74471, 270548), (135274, 148942)]