20186880

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{751}}^1$

素因数の和:782

約数の個数: 144

約数和(自身を含む): 73780224

約数和(自身を除く): 53593344

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, 384, 420, 448, 480, 560, 640, 672, 751, 768, 840, 896, 960, 1120, 1280, 1344, 1502, 1680, 1792, 1920, 2240, 2253, 2688, 3004, 3360, 3755, 3840, 4480, 4506, 5257, 5376, 6008, 6720, 7510, 8960, 9012, 10514, 11265, 12016, 13440, 15020, 15771, 18024, 21028, 22530, 24032, 26285, 26880, 30040, 31542, 36048, 42056, 45060, 48064, 52570, 60080, 63084, 72096, 78855, 84112, 90120, 96128, 105140, 120160, 126168, 144192, 157710, 168224, 180240, 192256, 210280, 240320, 252336, 288384, 315420, 336448, 360480, 420560, 480640, 504672, 576768, 630840, 672896, 720960, 841120, 961280, 1009344, 1261680, 1345792, 1441920, 1682240, 2018688, 2523360, 2883840, 3364480, 4037376, 5046720, 6728960, 10093440, 20186880]

約数ペア:

[(1, 20186880), (2, 10093440), (3, 6728960), (4, 5046720), (5, 4037376), (6, 3364480), (7, 2883840), (8, 2523360), (10, 2018688), (12, 1682240), (14, 1441920), (15, 1345792), (16, 1261680), (20, 1009344), (21, 961280), (24, 841120), (28, 720960), (30, 672896), (32, 630840), (35, 576768), (40, 504672), (42, 480640), (48, 420560), (56, 360480), (60, 336448), (64, 315420), (70, 288384), (80, 252336), (84, 240320), (96, 210280), (105, 192256), (112, 180240), (120, 168224), (128, 157710), (140, 144192), (160, 126168), (168, 120160), (192, 105140), (210, 96128), (224, 90120), (240, 84112), (256, 78855), (280, 72096), (320, 63084), (336, 60080), (384, 52570), (420, 48064), (448, 45060), (480, 42056), (560, 36048), (640, 31542), (672, 30040), (751, 26880), (768, 26285), (840, 24032), (896, 22530), (960, 21028), (1120, 18024), (1280, 15771), (1344, 15020), (1502, 13440), (1680, 12016), (1792, 11265), (1920, 10514), (2240, 9012), (2253, 8960), (2688, 7510), (3004, 6720), (3360, 6008), (3755, 5376), (3840, 5257), (4480, 4506)]