20299140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37591}}^1$

素因数の和:37609

約数の個数: 48

約数和(自身を含む): 63154560

約数和(自身を除く): 42855420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 37591, 75182, 112773, 150364, 187955, 225546, 338319, 375910, 451092, 563865, 676638, 751820, 1014957, 1127730, 1353276, 1691595, 2029914, 2255460, 3383190, 4059828, 5074785, 6766380, 10149570, 20299140]

約数ペア:

[(1, 20299140), (2, 10149570), (3, 6766380), (4, 5074785), (5, 4059828), (6, 3383190), (9, 2255460), (10, 2029914), (12, 1691595), (15, 1353276), (18, 1127730), (20, 1014957), (27, 751820), (30, 676638), (36, 563865), (45, 451092), (54, 375910), (60, 338319), (90, 225546), (108, 187955), (135, 150364), (180, 112773), (270, 75182), (540, 37591)]