206819.00000000

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{30677}}^1$

素因数の和:30705

約数の個数: 32

約数和(自身を含む): 49698360

約数和(自身を除く): 28838000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 30677, 61354, 122708, 153385, 245416, 306770, 521509, 613540, 1043018, 1227080, 2086036, 2607545, 4172072, 5215090, 10430180, 20860360]

約数ペア:

[(1, 20860360), (2, 10430180), (4, 5215090), (5, 4172072), (8, 2607545), (10, 2086036), (17, 1227080), (20, 1043018), (34, 613540), (40, 521509), (68, 306770), (85, 245416), (136, 153385), (170, 122708), (340, 61354), (680, 30677)]