201913540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{325667}}^1$

素因数の和:325707

約数の個数: 24

約数和(自身を含む): 437697792

約数和(自身を除く): 235784252

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 325667, 651334, 1302668, 1628335, 3256670, 6513340, 10095677, 20191354, 40382708, 50478385, 100956770, 201913540]

約数ペア:

[(1, 201913540), (2, 100956770), (4, 50478385), (5, 40382708), (10, 20191354), (20, 10095677), (31, 6513340), (62, 3256670), (124, 1628335), (155, 1302668), (310, 651334), (620, 325667)]