20015281088

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{2689}}^1$

素因数の和:2918

約数の個数: 112

約数和(自身を含む): 44193256800

約数和(自身を除く): 24177975712

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 97, 109, 176, 194, 218, 352, 388, 436, 704, 776, 872, 1067, 1199, 1552, 1744, 2134, 2398, 2689, 3104, 3488, 4268, 4796, 5378, 6208, 6976, 8536, 9592, 10573, 10756, 17072, 19184, 21146, 21512, 29579, 34144, 38368, 42292, 43024, 59158, 68288, 76736, 84584, 86048, 116303, 118316, 169168, 172096, 232606, 236632, 260833, 293101, 338336, 465212, 473264, 521666, 586202, 676672, 930424, 946528, 1043332, 1172404, 1860848, 1893056, 2086664, 2344808, 2869163, 3224111, 3721696, 4173328, 4689616, 5738326, 6448222, 7443392, 8346656, 9379232, 11476652, 12896444, 16693312, 18758464, 22953304, 25792888, 28430797, 45906608, 51585776, 56861594, 91813216, 103171552, 113723188, 183626432, 206343104, 227446376, 312738767, 454892752, 625477534, 909785504, 1250955068, 1819571008, 2501910136, 5003820272, 10007640544, 20015281088]

約数ペア:

[(1, 20015281088), (2, 10007640544), (4, 5003820272), (8, 2501910136), (11, 1819571008), (16, 1250955068), (22, 909785504), (32, 625477534), (44, 454892752), (64, 312738767), (88, 227446376), (97, 206343104), (109, 183626432), (176, 113723188), (194, 103171552), (218, 91813216), (352, 56861594), (388, 51585776), (436, 45906608), (704, 28430797), (776, 25792888), (872, 22953304), (1067, 18758464), (1199, 16693312), (1552, 12896444), (1744, 11476652), (2134, 9379232), (2398, 8346656), (2689, 7443392), (3104, 6448222), (3488, 5738326), (4268, 4689616), (4796, 4173328), (5378, 3721696), (6208, 3224111), (6976, 2869163), (8536, 2344808), (9592, 2086664), (10573, 1893056), (10756, 1860848), (17072, 1172404), (19184, 1043332), (21146, 946528), (21512, 930424), (29579, 676672), (34144, 586202), (38368, 521666), (42292, 473264), (43024, 465212), (59158, 338336), (68288, 293101), (76736, 260833), (84584, 236632), (86048, 232606), (116303, 172096), (118316, 169168)]