20167203

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{397}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 32094720

約数和(自身を除く): 11927517

約数列:

[1, 3, 7, 21, 41, 59, 123, 177, 287, 397, 413, 861, 1191, 1239, 2419, 2779, 7257, 8337, 16277, 16933, 23423, 48831, 50799, 70269, 113939, 163961, 341817, 491883, 960343, 2881029, 6722401, 20167203]

約数ペア:

[(1, 20167203), (3, 6722401), (7, 2881029), (21, 960343), (41, 491883), (59, 341817), (123, 163961), (177, 113939), (287, 70269), (397, 50799), (413, 48831), (861, 23423), (1191, 16933), (1239, 16277), (2419, 8337), (2779, 7257)]