20905248

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2393}}^1$

素因数の和:2426

約数の個数: 96

約数和(自身を含む): 67568256

約数和(自身を除く): 46663008

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 78, 84, 91, 96, 104, 112, 156, 168, 182, 208, 224, 273, 312, 336, 364, 416, 546, 624, 672, 728, 1092, 1248, 1456, 2184, 2393, 2912, 4368, 4786, 7179, 8736, 9572, 14358, 16751, 19144, 28716, 31109, 33502, 38288, 50253, 57432, 62218, 67004, 76576, 93327, 100506, 114864, 124436, 134008, 186654, 201012, 217763, 229728, 248872, 268016, 373308, 402024, 435526, 497744, 536032, 653289, 746616, 804048, 871052, 995488, 1306578, 1493232, 1608096, 1742104, 2613156, 2986464, 3484208, 5226312, 6968416, 10452624, 20905248]

約数ペア:

[(1, 20905248), (2, 10452624), (3, 6968416), (4, 5226312), (6, 3484208), (7, 2986464), (8, 2613156), (12, 1742104), (13, 1608096), (14, 1493232), (16, 1306578), (21, 995488), (24, 871052), (26, 804048), (28, 746616), (32, 653289), (39, 536032), (42, 497744), (48, 435526), (52, 402024), (56, 373308), (78, 268016), (84, 248872), (91, 229728), (96, 217763), (104, 201012), (112, 186654), (156, 134008), (168, 124436), (182, 114864), (208, 100506), (224, 93327), (273, 76576), (312, 67004), (336, 62218), (364, 57432), (416, 50253), (546, 38288), (624, 33502), (672, 31109), (728, 28716), (1092, 19144), (1248, 16751), (1456, 14358), (2184, 9572), (2393, 8736), (2912, 7179), (4368, 4786)]