20469120

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{1523}}^1$

素因数の和:1552

約数の個数: 128

約数和(自身を含む): 74615040

約数和(自身を除く): 54145920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1523, 1680, 1920, 2240, 2688, 3046, 3360, 4480, 4569, 6092, 6720, 7615, 9138, 10661, 12184, 13440, 15230, 18276, 21322, 22845, 24368, 30460, 31983, 36552, 42644, 45690, 48736, 53305, 60920, 63966, 73104, 85288, 91380, 97472, 106610, 121840, 127932, 146208, 159915, 170576, 182760, 194944, 213220, 243680, 255864, 292416, 319830, 341152, 365520, 426440, 487360, 511728, 584832, 639660, 682304, 731040, 852880, 974720, 1023456, 1279320, 1364608, 1462080, 1705760, 2046912, 2558640, 2924160, 3411520, 4093824, 5117280, 6823040, 10234560, 20469120]

約数ペア:

[(1, 20469120), (2, 10234560), (3, 6823040), (4, 5117280), (5, 4093824), (6, 3411520), (7, 2924160), (8, 2558640), (10, 2046912), (12, 1705760), (14, 1462080), (15, 1364608), (16, 1279320), (20, 1023456), (21, 974720), (24, 852880), (28, 731040), (30, 682304), (32, 639660), (35, 584832), (40, 511728), (42, 487360), (48, 426440), (56, 365520), (60, 341152), (64, 319830), (70, 292416), (80, 255864), (84, 243680), (96, 213220), (105, 194944), (112, 182760), (120, 170576), (128, 159915), (140, 146208), (160, 127932), (168, 121840), (192, 106610), (210, 97472), (224, 91380), (240, 85288), (280, 73104), (320, 63966), (336, 60920), (384, 53305), (420, 48736), (448, 45690), (480, 42644), (560, 36552), (640, 31983), (672, 30460), (840, 24368), (896, 22845), (960, 21322), (1120, 18276), (1344, 15230), (1523, 13440), (1680, 12184), (1920, 10661), (2240, 9138), (2688, 7615), (3046, 6720), (3360, 6092), (4480, 4569)]