20040015

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2003}}^1$

素因数の和:2063

約数の個数: 32

約数和(自身を含む): 34629120

約数和(自身を除く): 14589105

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 345, 435, 667, 2001, 2003, 3335, 6009, 10005, 10015, 30045, 46069, 58087, 138207, 174261, 230345, 290435, 691035, 871305, 1336001, 4008003, 6680005, 20040015]

約数ペア:

[(1, 20040015), (3, 6680005), (5, 4008003), (15, 1336001), (23, 871305), (29, 691035), (69, 290435), (87, 230345), (115, 174261), (145, 138207), (345, 58087), (435, 46069), (667, 30045), (2001, 10015), (2003, 10005), (3335, 6009)]