20590080

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{383}}^1$

素因数の和:416

約数の個数: 160

約数和(自身を含む): 75423744

約数和(自身を除く): 54833664

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, 256, 280, 320, 336, 383, 384, 420, 448, 480, 512, 560, 640, 672, 766, 768, 840, 896, 960, 1120, 1149, 1280, 1344, 1532, 1536, 1680, 1792, 1915, 1920, 2240, 2298, 2560, 2681, 2688, 3064, 3360, 3584, 3830, 3840, 4480, 4596, 5362, 5376, 5745, 6128, 6720, 7660, 7680, 8043, 8960, 9192, 10724, 10752, 11490, 12256, 13405, 13440, 15320, 16086, 17920, 18384, 21448, 22980, 24512, 26810, 26880, 30640, 32172, 36768, 40215, 42896, 45960, 49024, 53620, 53760, 61280, 64344, 73536, 80430, 85792, 91920, 98048, 107240, 122560, 128688, 147072, 160860, 171584, 183840, 196096, 214480, 245120, 257376, 294144, 321720, 343168, 367680, 428960, 490240, 514752, 588288, 643440, 686336, 735360, 857920, 980480, 1029504, 1286880, 1372672, 1470720, 1715840, 2059008, 2573760, 2941440, 3431680, 4118016, 5147520, 6863360, 10295040, 20590080]

約数ペア:

[(1, 20590080), (2, 10295040), (3, 6863360), (4, 5147520), (5, 4118016), (6, 3431680), (7, 2941440), (8, 2573760), (10, 2059008), (12, 1715840), (14, 1470720), (15, 1372672), (16, 1286880), (20, 1029504), (21, 980480), (24, 857920), (28, 735360), (30, 686336), (32, 643440), (35, 588288), (40, 514752), (42, 490240), (48, 428960), (56, 367680), (60, 343168), (64, 321720), (70, 294144), (80, 257376), (84, 245120), (96, 214480), (105, 196096), (112, 183840), (120, 171584), (128, 160860), (140, 147072), (160, 128688), (168, 122560), (192, 107240), (210, 98048), (224, 91920), (240, 85792), (256, 80430), (280, 73536), (320, 64344), (336, 61280), (383, 53760), (384, 53620), (420, 49024), (448, 45960), (480, 42896), (512, 40215), (560, 36768), (640, 32172), (672, 30640), (766, 26880), (768, 26810), (840, 24512), (896, 22980), (960, 21448), (1120, 18384), (1149, 17920), (1280, 16086), (1344, 15320), (1532, 13440), (1536, 13405), (1680, 12256), (1792, 11490), (1915, 10752), (1920, 10724), (2240, 9192), (2298, 8960), (2560, 8043), (2681, 7680), (2688, 7660), (3064, 6720), (3360, 6128), (3584, 5745), (3830, 5376), (3840, 5362), (4480, 4596)]