20164457085

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1667}}^1\times {\mathrm{42443}}^1$

素因数の和:44137

約数の個数: 32

約数和(自身を含む): 33982364160

約数和(自身を除く): 13817907075

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 1667, 5001, 8335, 25005, 31673, 42443, 95019, 127329, 158365, 212215, 475095, 636645, 806417, 2419251, 4032085, 12096255, 70752481, 212257443, 353762405, 1061287215, 1344297139, 4032891417, 6721485695, 20164457085]

約数ペア:

[(1, 20164457085), (3, 6721485695), (5, 4032891417), (15, 1344297139), (19, 1061287215), (57, 353762405), (95, 212257443), (285, 70752481), (1667, 12096255), (5001, 4032085), (8335, 2419251), (25005, 806417), (31673, 636645), (42443, 475095), (95019, 212215), (127329, 158365)]