20187928740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{31769}}^1$

素因数の和:31894

約数の個数: 192

約数和(自身を含む): 69172185600

約数和(自身を除く): 48984256860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 89, 102, 105, 119, 140, 170, 178, 204, 210, 238, 255, 267, 340, 356, 357, 420, 445, 476, 510, 534, 595, 623, 714, 890, 1020, 1068, 1190, 1246, 1335, 1428, 1513, 1780, 1785, 1869, 2380, 2492, 2670, 3026, 3115, 3570, 3738, 4539, 5340, 6052, 6230, 7140, 7476, 7565, 9078, 9345, 10591, 12460, 15130, 18156, 18690, 21182, 22695, 30260, 31769, 31773, 37380, 42364, 45390, 52955, 63538, 63546, 90780, 95307, 105910, 127076, 127092, 158845, 158865, 190614, 211820, 222383, 317690, 317730, 381228, 444766, 476535, 540073, 635380, 635460, 667149, 889532, 953070, 1080146, 1111915, 1334298, 1620219, 1906140, 2160292, 2223830, 2668596, 2700365, 2827441, 3240438, 3335745, 3780511, 4447660, 5400730, 5654882, 6480876, 6671490, 7561022, 8101095, 8482323, 10801460, 11309764, 11341533, 13342980, 14137205, 15122044, 16202190, 16964646, 18902555, 19792087, 22683066, 28274410, 32404380, 33929292, 37805110, 39584174, 42411615, 45366132, 48066497, 56548820, 56707665, 59376261, 75610220, 79168348, 84823230, 96132994, 98960435, 113415330, 118752522, 144199491, 169646460, 192265988, 197920870, 226830660, 237505044, 240332485, 288398982, 296881305, 336465479, 395841740, 480664970, 576797964, 593762610, 672930958, 720997455, 961329940, 1009396437, 1187525220, 1345861916, 1441994910, 1682327395, 2018792874, 2883989820, 3364654790, 4037585748, 5046982185, 6729309580, 10093964370, 20187928740]

約数ペア:

[(1, 20187928740), (2, 10093964370), (3, 6729309580), (4, 5046982185), (5, 4037585748), (6, 3364654790), (7, 2883989820), (10, 2018792874), (12, 1682327395), (14, 1441994910), (15, 1345861916), (17, 1187525220), (20, 1009396437), (21, 961329940), (28, 720997455), (30, 672930958), (34, 593762610), (35, 576797964), (42, 480664970), (51, 395841740), (60, 336465479), (68, 296881305), (70, 288398982), (84, 240332485), (85, 237505044), (89, 226830660), (102, 197920870), (105, 192265988), (119, 169646460), (140, 144199491), (170, 118752522), (178, 113415330), (204, 98960435), (210, 96132994), (238, 84823230), (255, 79168348), (267, 75610220), (340, 59376261), (356, 56707665), (357, 56548820), (420, 48066497), (445, 45366132), (476, 42411615), (510, 39584174), (534, 37805110), (595, 33929292), (623, 32404380), (714, 28274410), (890, 22683066), (1020, 19792087), (1068, 18902555), (1190, 16964646), (1246, 16202190), (1335, 15122044), (1428, 14137205), (1513, 13342980), (1780, 11341533), (1785, 11309764), (1869, 10801460), (2380, 8482323), (2492, 8101095), (2670, 7561022), (3026, 6671490), (3115, 6480876), (3570, 5654882), (3738, 5400730), (4539, 4447660), (5340, 3780511), (6052, 3335745), (6230, 3240438), (7140, 2827441), (7476, 2700365), (7565, 2668596), (9078, 2223830), (9345, 2160292), (10591, 1906140), (12460, 1620219), (15130, 1334298), (18156, 1111915), (18690, 1080146), (21182, 953070), (22695, 889532), (30260, 667149), (31769, 635460), (31773, 635380), (37380, 540073), (42364, 476535), (45390, 444766), (52955, 381228), (63538, 317730), (63546, 317690), (90780, 222383), (95307, 211820), (105910, 190614), (127076, 158865), (127092, 158845)]