20437060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:341

約数の個数: 96

約数和(自身を含む): 53803008

約数和(自身を除く): 33365948

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 31, 34, 35, 62, 68, 70, 85, 119, 124, 140, 155, 170, 217, 238, 277, 310, 340, 434, 476, 527, 554, 595, 620, 868, 1054, 1085, 1108, 1190, 1385, 1939, 2108, 2170, 2380, 2635, 2770, 3689, 3878, 4340, 4709, 5270, 5540, 7378, 7756, 8587, 9418, 9695, 10540, 14756, 17174, 18445, 18836, 19390, 23545, 32963, 34348, 36890, 38780, 42935, 47090, 60109, 65926, 73780, 85870, 94180, 120218, 131852, 145979, 164815, 171740, 240436, 291958, 300545, 329630, 583916, 601090, 659260, 729895, 1021853, 1202180, 1459790, 2043706, 2919580, 4087412, 5109265, 10218530, 20437060]

約数ペア:

[(1, 20437060), (2, 10218530), (4, 5109265), (5, 4087412), (7, 2919580), (10, 2043706), (14, 1459790), (17, 1202180), (20, 1021853), (28, 729895), (31, 659260), (34, 601090), (35, 583916), (62, 329630), (68, 300545), (70, 291958), (85, 240436), (119, 171740), (124, 164815), (140, 145979), (155, 131852), (170, 120218), (217, 94180), (238, 85870), (277, 73780), (310, 65926), (340, 60109), (434, 47090), (476, 42935), (527, 38780), (554, 36890), (595, 34348), (620, 32963), (868, 23545), (1054, 19390), (1085, 18836), (1108, 18445), (1190, 17174), (1385, 14756), (1939, 10540), (2108, 9695), (2170, 9418), (2380, 8587), (2635, 7756), (2770, 7378), (3689, 5540), (3878, 5270), (4340, 4709)]