20793906

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2089}}^1$

素因数の和:2183

約数の個数: 48

約数和(自身を含む): 52166400

約数和(自身を除く): 31372494

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 79, 126, 158, 237, 474, 553, 711, 1106, 1422, 1659, 2089, 3318, 4178, 4977, 6267, 9954, 12534, 14623, 18801, 29246, 37602, 43869, 87738, 131607, 165031, 263214, 330062, 495093, 990186, 1155217, 1485279, 2310434, 2970558, 3465651, 6931302, 10396953, 20793906]

約数ペア:

[(1, 20793906), (2, 10396953), (3, 6931302), (6, 3465651), (7, 2970558), (9, 2310434), (14, 1485279), (18, 1155217), (21, 990186), (42, 495093), (63, 330062), (79, 263214), (126, 165031), (158, 131607), (237, 87738), (474, 43869), (553, 37602), (711, 29246), (1106, 18801), (1422, 14623), (1659, 12534), (2089, 9954), (3318, 6267), (4178, 4977)]