20392560

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{1049}}^1$

素因数の和:1077

約数の個数: 120

約数和(自身を含む): 71089200

約数和(自身を除く): 50696640

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, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1049, 1080, 1215, 1296, 1620, 1944, 2098, 2160, 2430, 3147, 3240, 3888, 4196, 4860, 5245, 6294, 6480, 8392, 9441, 9720, 10490, 12588, 15735, 16784, 18882, 19440, 20980, 25176, 28323, 31470, 37764, 41960, 47205, 50352, 56646, 62940, 75528, 83920, 84969, 94410, 113292, 125880, 141615, 151056, 169938, 188820, 226584, 251760, 254907, 283230, 339876, 377640, 424845, 453168, 509814, 566460, 679752, 755280, 849690, 1019628, 1132920, 1274535, 1359504, 1699380, 2039256, 2265840, 2549070, 3398760, 4078512, 5098140, 6797520, 10196280, 20392560]

約数ペア:

[(1, 20392560), (2, 10196280), (3, 6797520), (4, 5098140), (5, 4078512), (6, 3398760), (8, 2549070), (9, 2265840), (10, 2039256), (12, 1699380), (15, 1359504), (16, 1274535), (18, 1132920), (20, 1019628), (24, 849690), (27, 755280), (30, 679752), (36, 566460), (40, 509814), (45, 453168), (48, 424845), (54, 377640), (60, 339876), (72, 283230), (80, 254907), (81, 251760), (90, 226584), (108, 188820), (120, 169938), (135, 151056), (144, 141615), (162, 125880), (180, 113292), (216, 94410), (240, 84969), (243, 83920), (270, 75528), (324, 62940), (360, 56646), (405, 50352), (432, 47205), (486, 41960), (540, 37764), (648, 31470), (720, 28323), (810, 25176), (972, 20980), (1049, 19440), (1080, 18882), (1215, 16784), (1296, 15735), (1620, 12588), (1944, 10490), (2098, 9720), (2160, 9441), (2430, 8392), (3147, 6480), (3240, 6294), (3888, 5245), (4196, 4860)]