20486520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{6323}}^1$

素因数の和:6346

約数の個数: 80

約数和(自身を含む): 68868360

約数和(自身を除く): 48381840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 6323, 12646, 18969, 25292, 31615, 37938, 50584, 56907, 63230, 75876, 94845, 113814, 126460, 151752, 170721, 189690, 227628, 252920, 284535, 341442, 379380, 455256, 512163, 569070, 682884, 758760, 853605, 1024326, 1138140, 1365768, 1707210, 2048652, 2276280, 2560815, 3414420, 4097304, 5121630, 6828840, 10243260, 20486520]

約数ペア:

[(1, 20486520), (2, 10243260), (3, 6828840), (4, 5121630), (5, 4097304), (6, 3414420), (8, 2560815), (9, 2276280), (10, 2048652), (12, 1707210), (15, 1365768), (18, 1138140), (20, 1024326), (24, 853605), (27, 758760), (30, 682884), (36, 569070), (40, 512163), (45, 455256), (54, 379380), (60, 341442), (72, 284535), (81, 252920), (90, 227628), (108, 189690), (120, 170721), (135, 151752), (162, 126460), (180, 113814), (216, 94845), (270, 75876), (324, 63230), (360, 56907), (405, 50584), (540, 37938), (648, 31615), (810, 25292), (1080, 18969), (1620, 12646), (3240, 6323)]