20883240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8287}}^1$

素因数の和:8311

約数の個数: 96

約数和(自身を含む): 77575680

約数和(自身を除く): 56692440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8287, 16574, 24861, 33148, 41435, 49722, 58009, 66296, 74583, 82870, 99444, 116018, 124305, 149166, 165740, 174027, 198888, 232036, 248610, 290045, 298332, 331480, 348054, 372915, 464072, 497220, 522081, 580090, 596664, 696108, 745830, 870135, 994440, 1044162, 1160180, 1392216, 1491660, 1740270, 2088324, 2320360, 2610405, 2983320, 3480540, 4176648, 5220810, 6961080, 10441620, 20883240]

約数ペア:

[(1, 20883240), (2, 10441620), (3, 6961080), (4, 5220810), (5, 4176648), (6, 3480540), (7, 2983320), (8, 2610405), (9, 2320360), (10, 2088324), (12, 1740270), (14, 1491660), (15, 1392216), (18, 1160180), (20, 1044162), (21, 994440), (24, 870135), (28, 745830), (30, 696108), (35, 596664), (36, 580090), (40, 522081), (42, 497220), (45, 464072), (56, 372915), (60, 348054), (63, 331480), (70, 298332), (72, 290045), (84, 248610), (90, 232036), (105, 198888), (120, 174027), (126, 165740), (140, 149166), (168, 124305), (180, 116018), (210, 99444), (252, 82870), (280, 74583), (315, 66296), (360, 58009), (420, 49722), (504, 41435), (630, 33148), (840, 24861), (1260, 16574), (2520, 8287)]