20420910

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1483}}^1$

素因数の和:1519

約数の個数: 80

約数和(自身を含む): 58178736

約数和(自身を除く): 37757826

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 81, 85, 90, 102, 135, 153, 162, 170, 255, 270, 306, 405, 459, 510, 765, 810, 918, 1377, 1483, 1530, 2295, 2754, 2966, 4449, 4590, 6885, 7415, 8898, 13347, 13770, 14830, 22245, 25211, 26694, 40041, 44490, 50422, 66735, 75633, 80082, 120123, 126055, 133470, 151266, 200205, 226899, 240246, 252110, 378165, 400410, 453798, 600615, 680697, 756330, 1134495, 1201230, 1361394, 2042091, 2268990, 3403485, 4084182, 6806970, 10210455, 20420910]

約数ペア:

[(1, 20420910), (2, 10210455), (3, 6806970), (5, 4084182), (6, 3403485), (9, 2268990), (10, 2042091), (15, 1361394), (17, 1201230), (18, 1134495), (27, 756330), (30, 680697), (34, 600615), (45, 453798), (51, 400410), (54, 378165), (81, 252110), (85, 240246), (90, 226899), (102, 200205), (135, 151266), (153, 133470), (162, 126055), (170, 120123), (255, 80082), (270, 75633), (306, 66735), (405, 50422), (459, 44490), (510, 40041), (765, 26694), (810, 25211), (918, 22245), (1377, 14830), (1483, 13770), (1530, 13347), (2295, 8898), (2754, 7415), (2966, 6885), (4449, 4590)]