20597416

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8971}}^1$

素因数の和:9025

約数の個数: 32

約数和(自身を含む): 45218880

約数和(自身を除く): 24621464

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 8971, 17942, 35884, 62797, 71768, 125594, 251188, 367811, 502376, 735622, 1471244, 2574677, 2942488, 5149354, 10298708, 20597416]

約数ペア:

[(1, 20597416), (2, 10298708), (4, 5149354), (7, 2942488), (8, 2574677), (14, 1471244), (28, 735622), (41, 502376), (56, 367811), (82, 251188), (164, 125594), (287, 71768), (328, 62797), (574, 35884), (1148, 17942), (2296, 8971)]