20543760

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9511}}^1$

素因数の和:9533

約数の個数: 80

約数和(自身を含む): 70769280

約数和(自身を除く): 50225520

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, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9511, 19022, 28533, 38044, 47555, 57066, 76088, 85599, 95110, 114132, 142665, 152176, 171198, 190220, 228264, 256797, 285330, 342396, 380440, 427995, 456528, 513594, 570660, 684792, 760880, 855990, 1027188, 1141320, 1283985, 1369584, 1711980, 2054376, 2282640, 2567970, 3423960, 4108752, 5135940, 6847920, 10271880, 20543760]

約数ペア:

[(1, 20543760), (2, 10271880), (3, 6847920), (4, 5135940), (5, 4108752), (6, 3423960), (8, 2567970), (9, 2282640), (10, 2054376), (12, 1711980), (15, 1369584), (16, 1283985), (18, 1141320), (20, 1027188), (24, 855990), (27, 760880), (30, 684792), (36, 570660), (40, 513594), (45, 456528), (48, 427995), (54, 380440), (60, 342396), (72, 285330), (80, 256797), (90, 228264), (108, 190220), (120, 171198), (135, 152176), (144, 142665), (180, 114132), (216, 95110), (240, 85599), (270, 76088), (360, 57066), (432, 47555), (540, 38044), (720, 28533), (1080, 19022), (2160, 9511)]