20169240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1847}}^1$

素因数の和:1881

約数の個数: 128

約数和(自身を含む): 74511360

約数和(自身を除く): 54342120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 1847, 2184, 2730, 3640, 3694, 5460, 5541, 7388, 9235, 10920, 11082, 12929, 14776, 18470, 22164, 24011, 25858, 27705, 36940, 38787, 44328, 48022, 51716, 55410, 64645, 72033, 73880, 77574, 96044, 103432, 110820, 120055, 129290, 144066, 155148, 168077, 192088, 193935, 221640, 240110, 258580, 288132, 310296, 336154, 360165, 387870, 480220, 504231, 517160, 576264, 672308, 720330, 775740, 840385, 960440, 1008462, 1344616, 1440660, 1551480, 1680770, 2016924, 2521155, 2881320, 3361540, 4033848, 5042310, 6723080, 10084620, 20169240]

約数ペア:

[(1, 20169240), (2, 10084620), (3, 6723080), (4, 5042310), (5, 4033848), (6, 3361540), (7, 2881320), (8, 2521155), (10, 2016924), (12, 1680770), (13, 1551480), (14, 1440660), (15, 1344616), (20, 1008462), (21, 960440), (24, 840385), (26, 775740), (28, 720330), (30, 672308), (35, 576264), (39, 517160), (40, 504231), (42, 480220), (52, 387870), (56, 360165), (60, 336154), (65, 310296), (70, 288132), (78, 258580), (84, 240110), (91, 221640), (104, 193935), (105, 192088), (120, 168077), (130, 155148), (140, 144066), (156, 129290), (168, 120055), (182, 110820), (195, 103432), (210, 96044), (260, 77574), (273, 73880), (280, 72033), (312, 64645), (364, 55410), (390, 51716), (420, 48022), (455, 44328), (520, 38787), (546, 36940), (728, 27705), (780, 25858), (840, 24011), (910, 22164), (1092, 18470), (1365, 14776), (1560, 12929), (1820, 11082), (1847, 10920), (2184, 9235), (2730, 7388), (3640, 5541), (3694, 5460)]