16486420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26591}}^1$

素因数の和:26631

約数の個数: 24

約数和(自身を含む): 35739648

約数和(自身を除く): 19253228

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 26591, 53182, 106364, 132955, 265910, 531820, 824321, 1648642, 3297284, 4121605, 8243210, 16486420]

約数ペア:

[(1, 16486420), (2, 8243210), (4, 4121605), (5, 3297284), (10, 1648642), (20, 824321), (31, 531820), (62, 265910), (124, 132955), (155, 106364), (310, 53182), (620, 26591)]