20814840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19273}}^1$

素因数の和:19293

約数の個数: 64

約数和(自身を含む): 69386400

約数和(自身を除く): 48571560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19273, 38546, 57819, 77092, 96365, 115638, 154184, 173457, 192730, 231276, 289095, 346914, 385460, 462552, 520371, 578190, 693828, 770920, 867285, 1040742, 1156380, 1387656, 1734570, 2081484, 2312760, 2601855, 3469140, 4162968, 5203710, 6938280, 10407420, 20814840]

約数ペア:

[(1, 20814840), (2, 10407420), (3, 6938280), (4, 5203710), (5, 4162968), (6, 3469140), (8, 2601855), (9, 2312760), (10, 2081484), (12, 1734570), (15, 1387656), (18, 1156380), (20, 1040742), (24, 867285), (27, 770920), (30, 693828), (36, 578190), (40, 520371), (45, 462552), (54, 385460), (60, 346914), (72, 289095), (90, 231276), (108, 192730), (120, 173457), (135, 154184), (180, 115638), (216, 96365), (270, 77092), (360, 57819), (540, 38546), (1080, 19273)]