20490684

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^2\times {\mathrm{773}}^1$

素因数の和:874

約数の個数: 36

約数和(自身を含む): 48913704

約数和(自身を除く): 28423020

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 141, 188, 282, 564, 773, 1546, 2209, 2319, 3092, 4418, 4638, 6627, 8836, 9276, 13254, 26508, 36331, 72662, 108993, 145324, 217986, 435972, 1707557, 3415114, 5122671, 6830228, 10245342, 20490684]

約数ペア:

[(1, 20490684), (2, 10245342), (3, 6830228), (4, 5122671), (6, 3415114), (12, 1707557), (47, 435972), (94, 217986), (141, 145324), (188, 108993), (282, 72662), (564, 36331), (773, 26508), (1546, 13254), (2209, 9276), (2319, 8836), (3092, 6627), (4418, 4638)]