20923920

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{3229}}^1$

素因数の和:3254

約数の個数: 100

約数和(自身を含む): 72694380

約数和(自身を除く): 51770460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3229, 3240, 6458, 6480, 9687, 12916, 16145, 19374, 25832, 29061, 32290, 38748, 48435, 51664, 58122, 64580, 77496, 87183, 96870, 116244, 129160, 145305, 154992, 174366, 193740, 232488, 258320, 261549, 290610, 348732, 387480, 435915, 464976, 523098, 581220, 697464, 774960, 871830, 1046196, 1162440, 1307745, 1394928, 1743660, 2092392, 2324880, 2615490, 3487320, 4184784, 5230980, 6974640, 10461960, 20923920]

約数ペア:

[(1, 20923920), (2, 10461960), (3, 6974640), (4, 5230980), (5, 4184784), (6, 3487320), (8, 2615490), (9, 2324880), (10, 2092392), (12, 1743660), (15, 1394928), (16, 1307745), (18, 1162440), (20, 1046196), (24, 871830), (27, 774960), (30, 697464), (36, 581220), (40, 523098), (45, 464976), (48, 435915), (54, 387480), (60, 348732), (72, 290610), (80, 261549), (81, 258320), (90, 232488), (108, 193740), (120, 174366), (135, 154992), (144, 145305), (162, 129160), (180, 116244), (216, 96870), (240, 87183), (270, 77496), (324, 64580), (360, 58122), (405, 51664), (432, 48435), (540, 38748), (648, 32290), (720, 29061), (810, 25832), (1080, 19374), (1296, 16145), (1620, 12916), (2160, 9687), (3229, 6480), (3240, 6458)]