20305620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1213}}^1$

素因数の和:1262

約数の個数: 96

約数和(自身を含む): 65264640

約数和(自身を除く): 44959020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 465, 540, 558, 620, 837, 930, 1116, 1213, 1395, 1674, 1860, 2426, 2790, 3348, 3639, 4185, 4852, 5580, 6065, 7278, 8370, 10917, 12130, 14556, 16740, 18195, 21834, 24260, 32751, 36390, 37603, 43668, 54585, 65502, 72780, 75206, 109170, 112809, 131004, 150412, 163755, 188015, 218340, 225618, 327510, 338427, 376030, 451236, 564045, 655020, 676854, 752060, 1015281, 1128090, 1353708, 1692135, 2030562, 2256180, 3384270, 4061124, 5076405, 6768540, 10152810, 20305620]

約数ペア:

[(1, 20305620), (2, 10152810), (3, 6768540), (4, 5076405), (5, 4061124), (6, 3384270), (9, 2256180), (10, 2030562), (12, 1692135), (15, 1353708), (18, 1128090), (20, 1015281), (27, 752060), (30, 676854), (31, 655020), (36, 564045), (45, 451236), (54, 376030), (60, 338427), (62, 327510), (90, 225618), (93, 218340), (108, 188015), (124, 163755), (135, 150412), (155, 131004), (180, 112809), (186, 109170), (270, 75206), (279, 72780), (310, 65502), (372, 54585), (465, 43668), (540, 37603), (558, 36390), (620, 32751), (837, 24260), (930, 21834), (1116, 18195), (1213, 16740), (1395, 14556), (1674, 12130), (1860, 10917), (2426, 8370), (2790, 7278), (3348, 6065), (3639, 5580), (4185, 4852)]