20262480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{1723}}^1$

素因数の和:1753

約数の個数: 120

約数和(自身を含む): 73111392

約数和(自身を除く): 52848912

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1723, 1960, 2352, 2940, 3446, 3920, 5169, 5880, 6892, 8615, 10338, 11760, 12061, 13784, 17230, 20676, 24122, 25845, 27568, 34460, 36183, 41352, 48244, 51690, 60305, 68920, 72366, 82704, 84427, 96488, 103380, 120610, 137840, 144732, 168854, 180915, 192976, 206760, 241220, 253281, 289464, 337708, 361830, 413520, 422135, 482440, 506562, 578928, 675416, 723660, 844270, 964880, 1013124, 1266405, 1350832, 1447320, 1688540, 2026248, 2532810, 2894640, 3377080, 4052496, 5065620, 6754160, 10131240, 20262480]

約数ペア:

[(1, 20262480), (2, 10131240), (3, 6754160), (4, 5065620), (5, 4052496), (6, 3377080), (7, 2894640), (8, 2532810), (10, 2026248), (12, 1688540), (14, 1447320), (15, 1350832), (16, 1266405), (20, 1013124), (21, 964880), (24, 844270), (28, 723660), (30, 675416), (35, 578928), (40, 506562), (42, 482440), (48, 422135), (49, 413520), (56, 361830), (60, 337708), (70, 289464), (80, 253281), (84, 241220), (98, 206760), (105, 192976), (112, 180915), (120, 168854), (140, 144732), (147, 137840), (168, 120610), (196, 103380), (210, 96488), (240, 84427), (245, 82704), (280, 72366), (294, 68920), (336, 60305), (392, 51690), (420, 48244), (490, 41352), (560, 36183), (588, 34460), (735, 27568), (784, 25845), (840, 24122), (980, 20676), (1176, 17230), (1470, 13784), (1680, 12061), (1723, 11760), (1960, 10338), (2352, 8615), (2940, 6892), (3446, 5880), (3920, 5169)]