19877080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29231}}^1$

素因数の和:29259

約数の個数: 32

約数和(自身を含む): 47355840

約数和(自身を除く): 27478760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29231, 58462, 116924, 146155, 233848, 292310, 496927, 584620, 993854, 1169240, 1987708, 2484635, 3975416, 4969270, 9938540, 19877080]

約数ペア:

[(1, 19877080), (2, 9938540), (4, 4969270), (5, 3975416), (8, 2484635), (10, 1987708), (17, 1169240), (20, 993854), (34, 584620), (40, 496927), (68, 292310), (85, 233848), (136, 146155), (170, 116924), (340, 58462), (680, 29231)]