20660552

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{613}}^1$

素因数の和:1013

約数の個数: 32

約数和(自身を含む): 42439680

約数和(自身を除く): 21779128

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 383, 613, 766, 1226, 1532, 2452, 3064, 4213, 4904, 6743, 8426, 13486, 16852, 26972, 33704, 53944, 234779, 469558, 939116, 1878232, 2582569, 5165138, 10330276, 20660552]

約数ペア:

[(1, 20660552), (2, 10330276), (4, 5165138), (8, 2582569), (11, 1878232), (22, 939116), (44, 469558), (88, 234779), (383, 53944), (613, 33704), (766, 26972), (1226, 16852), (1532, 13486), (2452, 8426), (3064, 6743), (4213, 4904)]