20473920

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{7109}}^1$

素因数の和:7132

約数の個数: 84

約数和(自身を含む): 70431660

約数和(自身を除く): 49957740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 7109, 14218, 21327, 28436, 35545, 42654, 56872, 63981, 71090, 85308, 106635, 113744, 127962, 142180, 170616, 213270, 227488, 255924, 284360, 319905, 341232, 426540, 454976, 511848, 568720, 639810, 682464, 853080, 1023696, 1137440, 1279620, 1364928, 1706160, 2047392, 2274880, 2559240, 3412320, 4094784, 5118480, 6824640, 10236960, 20473920]

約数ペア:

[(1, 20473920), (2, 10236960), (3, 6824640), (4, 5118480), (5, 4094784), (6, 3412320), (8, 2559240), (9, 2274880), (10, 2047392), (12, 1706160), (15, 1364928), (16, 1279620), (18, 1137440), (20, 1023696), (24, 853080), (30, 682464), (32, 639810), (36, 568720), (40, 511848), (45, 454976), (48, 426540), (60, 341232), (64, 319905), (72, 284360), (80, 255924), (90, 227488), (96, 213270), (120, 170616), (144, 142180), (160, 127962), (180, 113744), (192, 106635), (240, 85308), (288, 71090), (320, 63981), (360, 56872), (480, 42654), (576, 35545), (720, 28436), (960, 21327), (1440, 14218), (2880, 7109)]