20707920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9587}}^1$

素因数の和:9609

約数の個数: 80

約数和(自身を含む): 71334720

約数和(自身を除く): 50626800

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, 9587, 19174, 28761, 38348, 47935, 57522, 76696, 86283, 95870, 115044, 143805, 153392, 172566, 191740, 230088, 258849, 287610, 345132, 383480, 431415, 460176, 517698, 575220, 690264, 766960, 862830, 1035396, 1150440, 1294245, 1380528, 1725660, 2070792, 2300880, 2588490, 3451320, 4141584, 5176980, 6902640, 10353960, 20707920]

約数ペア:

[(1, 20707920), (2, 10353960), (3, 6902640), (4, 5176980), (5, 4141584), (6, 3451320), (8, 2588490), (9, 2300880), (10, 2070792), (12, 1725660), (15, 1380528), (16, 1294245), (18, 1150440), (20, 1035396), (24, 862830), (27, 766960), (30, 690264), (36, 575220), (40, 517698), (45, 460176), (48, 431415), (54, 383480), (60, 345132), (72, 287610), (80, 258849), (90, 230088), (108, 191740), (120, 172566), (135, 153392), (144, 143805), (180, 115044), (216, 95870), (240, 86283), (270, 76696), (360, 57522), (432, 47935), (540, 38348), (720, 28761), (1080, 19174), (2160, 9587)]