20845876

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{7477}}^1$

素因数の和:7539

約数の個数: 24

約数和(自身を含む): 39573576

約数和(自身を除く): 18727700

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 164, 697, 1394, 2788, 7477, 14954, 29908, 127109, 254218, 306557, 508436, 613114, 1226228, 5211469, 10422938, 20845876]

約数ペア:

[(1, 20845876), (2, 10422938), (4, 5211469), (17, 1226228), (34, 613114), (41, 508436), (68, 306557), (82, 254218), (164, 127109), (697, 29908), (1394, 14954), (2788, 7477)]