20004840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{18523}}^1$

素因数の和:18543

約数の個数: 64

約数和(自身を含む): 66686400

約数和(自身を除く): 46681560

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, 18523, 37046, 55569, 74092, 92615, 111138, 148184, 166707, 185230, 222276, 277845, 333414, 370460, 444552, 500121, 555690, 666828, 740920, 833535, 1000242, 1111380, 1333656, 1667070, 2000484, 2222760, 2500605, 3334140, 4000968, 5001210, 6668280, 10002420, 20004840]

約数ペア:

[(1, 20004840), (2, 10002420), (3, 6668280), (4, 5001210), (5, 4000968), (6, 3334140), (8, 2500605), (9, 2222760), (10, 2000484), (12, 1667070), (15, 1333656), (18, 1111380), (20, 1000242), (24, 833535), (27, 740920), (30, 666828), (36, 555690), (40, 500121), (45, 444552), (54, 370460), (60, 333414), (72, 277845), (90, 222276), (108, 185230), (120, 166707), (135, 148184), (180, 111138), (216, 92615), (270, 74092), (360, 55569), (540, 37046), (1080, 18523)]