20429820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12611}}^1$

素因数の和:12632

約数の個数: 60

約数和(自身を含む): 64094184

約数和(自身を除く): 43664364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12611, 25222, 37833, 50444, 63055, 75666, 113499, 126110, 151332, 189165, 226998, 252220, 340497, 378330, 453996, 567495, 680994, 756660, 1021491, 1134990, 1361988, 1702485, 2042982, 2269980, 3404970, 4085964, 5107455, 6809940, 10214910, 20429820]

約数ペア:

[(1, 20429820), (2, 10214910), (3, 6809940), (4, 5107455), (5, 4085964), (6, 3404970), (9, 2269980), (10, 2042982), (12, 1702485), (15, 1361988), (18, 1134990), (20, 1021491), (27, 756660), (30, 680994), (36, 567495), (45, 453996), (54, 378330), (60, 340497), (81, 252220), (90, 226998), (108, 189165), (135, 151332), (162, 126110), (180, 113499), (270, 75666), (324, 63055), (405, 50444), (540, 37833), (810, 25222), (1620, 12611)]