20174905072

素因数分解:

$2^4\times 7^1\times {\mathrm{1279}}^1\times {\mathrm{140839}}^1$

素因数の和:142133

約数の個数: 40

約数和(自身を含む): 44708249600

約数和(自身を除く): 24533344528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1279, 2558, 5116, 8953, 10232, 17906, 20464, 35812, 71624, 140839, 143248, 281678, 563356, 985873, 1126712, 1971746, 2253424, 3943492, 7886984, 15773968, 180133081, 360266162, 720532324, 1260931567, 1441064648, 2521863134, 2882129296, 5043726268, 10087452536, 20174905072]

約数ペア:

[(1, 20174905072), (2, 10087452536), (4, 5043726268), (7, 2882129296), (8, 2521863134), (14, 1441064648), (16, 1260931567), (28, 720532324), (56, 360266162), (112, 180133081), (1279, 15773968), (2558, 7886984), (5116, 3943492), (8953, 2253424), (10232, 1971746), (17906, 1126712), (20464, 985873), (35812, 563356), (71624, 281678), (140839, 143248)]