20800101

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 33177600

約数和(自身を除く): 12377499

約数列:

[1, 3, 7, 21, 31, 89, 93, 217, 267, 359, 623, 651, 1077, 1869, 2513, 2759, 7539, 8277, 11129, 19313, 31951, 33387, 57939, 77903, 95853, 223657, 233709, 670971, 990481, 2971443, 6933367, 20800101]

約数ペア:

[(1, 20800101), (3, 6933367), (7, 2971443), (21, 990481), (31, 670971), (89, 233709), (93, 223657), (217, 95853), (267, 77903), (359, 57939), (623, 33387), (651, 31951), (1077, 19313), (1869, 11129), (2513, 8277), (2759, 7539)]