20181768740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1\times {\mathrm{11071}}^1$

素因数の和:11565

約数の個数: 96

約数和(自身を含む): 50222592000

約数和(自身を除く): 30040823260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 449, 580, 812, 898, 1015, 1796, 2030, 2245, 3143, 4060, 4490, 6286, 8980, 11071, 12572, 13021, 15715, 22142, 26042, 31430, 44284, 52084, 55355, 62860, 65105, 77497, 91147, 110710, 130210, 154994, 182294, 221420, 260420, 309988, 321059, 364588, 387485, 455735, 642118, 774970, 911470, 1284236, 1549940, 1605295, 1822940, 2247413, 3210590, 4494826, 4970879, 6421180, 8989652, 9941758, 11237065, 19883516, 22474130, 24854395, 34796153, 44948260, 49708790, 69592306, 99417580, 139184612, 144155491, 173980765, 288310982, 347961530, 576621964, 695923060, 720777455, 1009088437, 1441554910, 2018176874, 2883109820, 4036353748, 5045442185, 10090884370, 20181768740]

約数ペア:

[(1, 20181768740), (2, 10090884370), (4, 5045442185), (5, 4036353748), (7, 2883109820), (10, 2018176874), (14, 1441554910), (20, 1009088437), (28, 720777455), (29, 695923060), (35, 576621964), (58, 347961530), (70, 288310982), (116, 173980765), (140, 144155491), (145, 139184612), (203, 99417580), (290, 69592306), (406, 49708790), (449, 44948260), (580, 34796153), (812, 24854395), (898, 22474130), (1015, 19883516), (1796, 11237065), (2030, 9941758), (2245, 8989652), (3143, 6421180), (4060, 4970879), (4490, 4494826), (6286, 3210590), (8980, 2247413), (11071, 1822940), (12572, 1605295), (13021, 1549940), (15715, 1284236), (22142, 911470), (26042, 774970), (31430, 642118), (44284, 455735), (52084, 387485), (55355, 364588), (62860, 321059), (65105, 309988), (77497, 260420), (91147, 221420), (110710, 182294), (130210, 154994)]