20836368

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{2953}}^1$

素因数の和:2981

約数の個数: 90

約数和(自身を含む): 67856334

約数和(自身を除く): 47019966

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 2953, 3528, 5906, 7056, 8859, 11812, 17718, 20671, 23624, 26577, 35436, 41342, 47248, 53154, 62013, 70872, 82684, 106308, 124026, 141744, 144697, 165368, 186039, 212616, 248052, 289394, 330736, 372078, 425232, 434091, 496104, 578788, 744156, 868182, 992208, 1157576, 1302273, 1488312, 1736364, 2315152, 2604546, 2976624, 3472728, 5209092, 6945456, 10418184, 20836368]

約数ペア:

[(1, 20836368), (2, 10418184), (3, 6945456), (4, 5209092), (6, 3472728), (7, 2976624), (8, 2604546), (9, 2315152), (12, 1736364), (14, 1488312), (16, 1302273), (18, 1157576), (21, 992208), (24, 868182), (28, 744156), (36, 578788), (42, 496104), (48, 434091), (49, 425232), (56, 372078), (63, 330736), (72, 289394), (84, 248052), (98, 212616), (112, 186039), (126, 165368), (144, 144697), (147, 141744), (168, 124026), (196, 106308), (252, 82684), (294, 70872), (336, 62013), (392, 53154), (441, 47248), (504, 41342), (588, 35436), (784, 26577), (882, 23624), (1008, 20671), (1176, 17718), (1764, 11812), (2352, 8859), (2953, 7056), (3528, 5906)]