20653416

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{953}}^1$

素因数の和:1015

約数の個数: 96

約数和(自身を含む): 65482560

約数和(自身を除く): 44829144

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 43, 56, 63, 72, 84, 86, 126, 129, 168, 172, 252, 258, 301, 344, 387, 504, 516, 602, 774, 903, 953, 1032, 1204, 1548, 1806, 1906, 2408, 2709, 2859, 3096, 3612, 3812, 5418, 5718, 6671, 7224, 7624, 8577, 10836, 11436, 13342, 17154, 20013, 21672, 22872, 26684, 34308, 40026, 40979, 53368, 60039, 68616, 80052, 81958, 120078, 122937, 160104, 163916, 240156, 245874, 286853, 327832, 368811, 480312, 491748, 573706, 737622, 860559, 983496, 1147412, 1475244, 1721118, 2294824, 2581677, 2950488, 3442236, 5163354, 6884472, 10326708, 20653416]

約数ペア:

[(1, 20653416), (2, 10326708), (3, 6884472), (4, 5163354), (6, 3442236), (7, 2950488), (8, 2581677), (9, 2294824), (12, 1721118), (14, 1475244), (18, 1147412), (21, 983496), (24, 860559), (28, 737622), (36, 573706), (42, 491748), (43, 480312), (56, 368811), (63, 327832), (72, 286853), (84, 245874), (86, 240156), (126, 163916), (129, 160104), (168, 122937), (172, 120078), (252, 81958), (258, 80052), (301, 68616), (344, 60039), (387, 53368), (504, 40979), (516, 40026), (602, 34308), (774, 26684), (903, 22872), (953, 21672), (1032, 20013), (1204, 17154), (1548, 13342), (1806, 11436), (1906, 10836), (2408, 8577), (2709, 7624), (2859, 7224), (3096, 6671), (3612, 5718), (3812, 5418)]