20817832

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{9067}}^1$

素因数の和:9121

約数の個数: 32

約数和(自身を含む): 45702720

約数和(自身を除く): 24884888

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 9067, 18134, 36268, 63469, 72536, 126938, 253876, 371747, 507752, 743494, 1486988, 2602229, 2973976, 5204458, 10408916, 20817832]

約数ペア:

[(1, 20817832), (2, 10408916), (4, 5204458), (7, 2973976), (8, 2602229), (14, 1486988), (28, 743494), (41, 507752), (56, 371747), (82, 253876), (164, 126938), (287, 72536), (328, 63469), (574, 36268), (1148, 18134), (2296, 9067)]