20569140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12697}}^1$

素因数の和:12718

約数の個数: 60

約数和(自身を含む): 64531236

約数和(自身を除く): 43962096

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, 12697, 25394, 38091, 50788, 63485, 76182, 114273, 126970, 152364, 190455, 228546, 253940, 342819, 380910, 457092, 571365, 685638, 761820, 1028457, 1142730, 1371276, 1714095, 2056914, 2285460, 3428190, 4113828, 5142285, 6856380, 10284570, 20569140]

約数ペア:

[(1, 20569140), (2, 10284570), (3, 6856380), (4, 5142285), (5, 4113828), (6, 3428190), (9, 2285460), (10, 2056914), (12, 1714095), (15, 1371276), (18, 1142730), (20, 1028457), (27, 761820), (30, 685638), (36, 571365), (45, 457092), (54, 380910), (60, 342819), (81, 253940), (90, 228546), (108, 190455), (135, 152364), (162, 126970), (180, 114273), (270, 76182), (324, 63485), (405, 50788), (540, 38091), (810, 25394), (1620, 12697)]