20182988

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{17581}}^1$

素因数の和:17633

約数の個数: 24

約数和(自身を含む): 41352864

約数和(自身を除く): 21169876

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 17581, 35162, 70324, 123067, 246134, 492268, 720821, 1441642, 2883284, 5045747, 10091494, 20182988]

約数ペア:

[(1, 20182988), (2, 10091494), (4, 5045747), (7, 2883284), (14, 1441642), (28, 720821), (41, 492268), (82, 246134), (164, 123067), (287, 70324), (574, 35162), (1148, 17581)]