20582820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2789}}^1$

素因数の和:2845

約数の個数: 72

約数和(自身を含む): 63980280

約数和(自身を除く): 43397460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 2789, 3690, 5578, 7380, 8367, 11156, 13945, 16734, 25101, 27890, 33468, 41835, 50202, 55780, 83670, 100404, 114349, 125505, 167340, 228698, 251010, 343047, 457396, 502020, 571745, 686094, 1029141, 1143490, 1372188, 1715235, 2058282, 2286980, 3430470, 4116564, 5145705, 6860940, 10291410, 20582820]

約数ペア:

[(1, 20582820), (2, 10291410), (3, 6860940), (4, 5145705), (5, 4116564), (6, 3430470), (9, 2286980), (10, 2058282), (12, 1715235), (15, 1372188), (18, 1143490), (20, 1029141), (30, 686094), (36, 571745), (41, 502020), (45, 457396), (60, 343047), (82, 251010), (90, 228698), (123, 167340), (164, 125505), (180, 114349), (205, 100404), (246, 83670), (369, 55780), (410, 50202), (492, 41835), (615, 33468), (738, 27890), (820, 25101), (1230, 16734), (1476, 13945), (1845, 11156), (2460, 8367), (2789, 7380), (3690, 5578)]