20409820564

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1\times {\mathrm{2143}}^1$

素因数の和:2537

約数の個数: 96

約数和(自身を含む): 43525601280

約数和(自身を除く): 23115780716

約数列:

[1, 2, 4, 7, 14, 28, 29, 37, 58, 74, 116, 148, 203, 259, 317, 406, 518, 634, 812, 1036, 1073, 1268, 2143, 2146, 2219, 4286, 4292, 4438, 7511, 8572, 8876, 9193, 11729, 15001, 15022, 18386, 23458, 30002, 30044, 36772, 46916, 60004, 62147, 64351, 79291, 82103, 124294, 128702, 158582, 164206, 248588, 257404, 317164, 328412, 340141, 435029, 555037, 679331, 680282, 870058, 1110074, 1358662, 1360564, 1740116, 2220148, 2299439, 2380987, 2717324, 4598878, 4755317, 4761974, 9197756, 9510634, 9523948, 16096073, 19021268, 19700599, 25135247, 32192146, 39401198, 50270494, 64384292, 78802396, 100540988, 137904193, 175946729, 275808386, 351893458, 551616772, 703786916, 728922163, 1457844326, 2915688652, 5102455141, 10204910282, 20409820564]

約数ペア:

[(1, 20409820564), (2, 10204910282), (4, 5102455141), (7, 2915688652), (14, 1457844326), (28, 728922163), (29, 703786916), (37, 551616772), (58, 351893458), (74, 275808386), (116, 175946729), (148, 137904193), (203, 100540988), (259, 78802396), (317, 64384292), (406, 50270494), (518, 39401198), (634, 32192146), (812, 25135247), (1036, 19700599), (1073, 19021268), (1268, 16096073), (2143, 9523948), (2146, 9510634), (2219, 9197756), (4286, 4761974), (4292, 4755317), (4438, 4598878), (7511, 2717324), (8572, 2380987), (8876, 2299439), (9193, 2220148), (11729, 1740116), (15001, 1360564), (15022, 1358662), (18386, 1110074), (23458, 870058), (30002, 680282), (30044, 679331), (36772, 555037), (46916, 435029), (60004, 340141), (62147, 328412), (64351, 317164), (79291, 257404), (82103, 248588), (124294, 164206), (128702, 158582)]