20162505

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1373}}^1$

素因数の和:1481

約数の個数: 32

約数和(自身を含む): 35614080

約数和(自身を除く): 15451575

約数列:

[1, 3, 5, 11, 15, 33, 55, 89, 165, 267, 445, 979, 1335, 1373, 2937, 4119, 4895, 6865, 14685, 15103, 20595, 45309, 75515, 122197, 226545, 366591, 610985, 1344167, 1832955, 4032501, 6720835, 20162505]

約数ペア:

[(1, 20162505), (3, 6720835), (5, 4032501), (11, 1832955), (15, 1344167), (33, 610985), (55, 366591), (89, 226545), (165, 122197), (267, 75515), (445, 45309), (979, 20595), (1335, 15103), (1373, 14685), (2937, 6865), (4119, 4895)]