201806420

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{15991}}^1$

素因数の和:16631

約数の個数: 24

約数和(自身を含む): 424491648

約数和(自身を除く): 222685228

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2524, 3155, 6310, 12620, 15991, 31982, 63964, 79955, 159910, 319820, 10090321, 20180642, 40361284, 50451605, 100903210, 201806420]

約数ペア:

[(1, 201806420), (2, 100903210), (4, 50451605), (5, 40361284), (10, 20180642), (20, 10090321), (631, 319820), (1262, 159910), (2524, 79955), (3155, 63964), (6310, 31982), (12620, 15991)]