20168085105

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{55147}}^1$

素因数の和:55217

約数の個数: 96

約数和(自身を含む): 42396017664

約数和(自身を除く): 22227932559

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 43, 45, 63, 81, 105, 129, 135, 189, 215, 243, 301, 315, 387, 405, 567, 645, 903, 945, 1161, 1215, 1505, 1701, 1935, 2709, 2835, 3483, 4515, 5805, 8127, 8505, 10449, 13545, 17415, 24381, 40635, 52245, 55147, 73143, 121905, 165441, 275735, 365715, 386029, 496323, 827205, 1158087, 1488969, 1930145, 2371321, 2481615, 3474261, 4466907, 5790435, 7113963, 7444845, 10422783, 11856605, 13400721, 16599247, 17371305, 21341889, 22334535, 31268349, 35569815, 49797741, 52113915, 64025667, 67003605, 82996235, 93805047, 106709445, 149393223, 156341745, 192077001, 248988705, 320128335, 448179669, 469025235, 576231003, 746966115, 960385005, 1344539007, 2240898345, 2881155015, 4033617021, 6722695035, 20168085105]

約数ペア:

[(1, 20168085105), (3, 6722695035), (5, 4033617021), (7, 2881155015), (9, 2240898345), (15, 1344539007), (21, 960385005), (27, 746966115), (35, 576231003), (43, 469025235), (45, 448179669), (63, 320128335), (81, 248988705), (105, 192077001), (129, 156341745), (135, 149393223), (189, 106709445), (215, 93805047), (243, 82996235), (301, 67003605), (315, 64025667), (387, 52113915), (405, 49797741), (567, 35569815), (645, 31268349), (903, 22334535), (945, 21341889), (1161, 17371305), (1215, 16599247), (1505, 13400721), (1701, 11856605), (1935, 10422783), (2709, 7444845), (2835, 7113963), (3483, 5790435), (4515, 4466907), (5805, 3474261), (8127, 2481615), (8505, 2371321), (10449, 1930145), (13545, 1488969), (17415, 1158087), (24381, 827205), (40635, 496323), (52245, 386029), (55147, 365715), (73143, 275735), (121905, 165441)]