20920330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1069}}^1$

素因数の和:1198

約数の個数: 32

約数和(自身を含む): 40060800

約数和(自身を除く): 19140470

約数列:

[1, 2, 5, 10, 19, 38, 95, 103, 190, 206, 515, 1030, 1069, 1957, 2138, 3914, 5345, 9785, 10690, 19570, 20311, 40622, 101555, 110107, 203110, 220214, 550535, 1101070, 2092033, 4184066, 10460165, 20920330]

約数ペア:

[(1, 20920330), (2, 10460165), (5, 4184066), (10, 2092033), (19, 1101070), (38, 550535), (95, 220214), (103, 203110), (190, 110107), (206, 101555), (515, 40622), (1030, 20311), (1069, 19570), (1957, 10690), (2138, 9785), (3914, 5345)]