20807101672

素因数分解:

$2^3\times 7^3\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{827}}^1$

素因数の和:1080

約数の個数: 128

約数和(自身を含む): 46679328000

約数和(自身を除く): 25872226328

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 53, 56, 98, 106, 173, 196, 212, 343, 346, 371, 392, 424, 686, 692, 742, 827, 1211, 1372, 1384, 1484, 1654, 2422, 2597, 2744, 2968, 3308, 4844, 5194, 5789, 6616, 8477, 9169, 9688, 10388, 11578, 16954, 18179, 18338, 20776, 23156, 33908, 36358, 36676, 40523, 43831, 46312, 59339, 64183, 67816, 72716, 73352, 81046, 87662, 118678, 128366, 143071, 145432, 162092, 175324, 237356, 256732, 283661, 286142, 306817, 324184, 350648, 449281, 474712, 513464, 567322, 572284, 613634, 898562, 1001497, 1134644, 1144568, 1227268, 1797124, 2002994, 2147719, 2269288, 2454536, 3144967, 3594248, 4005988, 4295438, 6289934, 7010479, 7582763, 8011976, 8590876, 12579868, 14020958, 15034033, 15165526, 17181752, 25159736, 28041916, 30068066, 30331052, 49073353, 53079341, 56083832, 60136132, 60662104, 98146706, 106158682, 120272264, 196293412, 212317364, 371555387, 392586824, 424634728, 743110774, 1486221548, 2600887709, 2972443096, 5201775418, 10403550836, 20807101672]

約数ペア:

[(1, 20807101672), (2, 10403550836), (4, 5201775418), (7, 2972443096), (8, 2600887709), (14, 1486221548), (28, 743110774), (49, 424634728), (53, 392586824), (56, 371555387), (98, 212317364), (106, 196293412), (173, 120272264), (196, 106158682), (212, 98146706), (343, 60662104), (346, 60136132), (371, 56083832), (392, 53079341), (424, 49073353), (686, 30331052), (692, 30068066), (742, 28041916), (827, 25159736), (1211, 17181752), (1372, 15165526), (1384, 15034033), (1484, 14020958), (1654, 12579868), (2422, 8590876), (2597, 8011976), (2744, 7582763), (2968, 7010479), (3308, 6289934), (4844, 4295438), (5194, 4005988), (5789, 3594248), (6616, 3144967), (8477, 2454536), (9169, 2269288), (9688, 2147719), (10388, 2002994), (11578, 1797124), (16954, 1227268), (18179, 1144568), (18338, 1134644), (20776, 1001497), (23156, 898562), (33908, 613634), (36358, 572284), (36676, 567322), (40523, 513464), (43831, 474712), (46312, 449281), (59339, 350648), (64183, 324184), (67816, 306817), (72716, 286142), (73352, 283661), (81046, 256732), (87662, 237356), (118678, 175324), (128366, 162092), (143071, 145432)]