20160054044

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{1249}}^1$

素因数の和:1364

約数の個数: 144

約数和(自身を含む): 43791300000

約数和(自身を除く): 23631245956

約数列:

[1, 2, 4, 13, 17, 19, 26, 31, 34, 38, 52, 62, 68, 76, 124, 221, 247, 323, 403, 442, 494, 527, 589, 646, 806, 884, 961, 988, 1054, 1178, 1249, 1292, 1612, 1922, 2108, 2356, 2498, 3844, 4199, 4996, 6851, 7657, 8398, 10013, 12493, 13702, 15314, 16237, 16337, 16796, 18259, 20026, 21233, 23731, 24986, 27404, 30628, 32474, 32674, 36518, 38719, 40052, 42466, 47462, 49972, 64948, 65348, 73036, 77438, 84932, 94924, 130169, 154876, 212381, 237367, 260338, 276029, 308503, 310403, 403427, 424762, 474734, 503347, 520676, 552058, 617006, 620806, 658223, 735661, 806854, 849524, 949468, 1006694, 1104116, 1200289, 1234012, 1241612, 1316446, 1471322, 1613708, 2013388, 2400578, 2632892, 2942644, 4035239, 4801156, 5244551, 8070478, 8556899, 9563593, 10489102, 12506237, 15603757, 16140956, 17113798, 19127186, 20404913, 20978204, 22805491, 25012474, 31207514, 34227596, 38254372, 40809826, 45610982, 50024948, 62415028, 81619652, 91221964, 162581081, 265263869, 296471383, 325162162, 387693347, 530527738, 592942766, 650324324, 775386694, 1061055476, 1185885532, 1550773388, 5040013511, 10080027022, 20160054044]

約数ペア:

[(1, 20160054044), (2, 10080027022), (4, 5040013511), (13, 1550773388), (17, 1185885532), (19, 1061055476), (26, 775386694), (31, 650324324), (34, 592942766), (38, 530527738), (52, 387693347), (62, 325162162), (68, 296471383), (76, 265263869), (124, 162581081), (221, 91221964), (247, 81619652), (323, 62415028), (403, 50024948), (442, 45610982), (494, 40809826), (527, 38254372), (589, 34227596), (646, 31207514), (806, 25012474), (884, 22805491), (961, 20978204), (988, 20404913), (1054, 19127186), (1178, 17113798), (1249, 16140956), (1292, 15603757), (1612, 12506237), (1922, 10489102), (2108, 9563593), (2356, 8556899), (2498, 8070478), (3844, 5244551), (4199, 4801156), (4996, 4035239), (6851, 2942644), (7657, 2632892), (8398, 2400578), (10013, 2013388), (12493, 1613708), (13702, 1471322), (15314, 1316446), (16237, 1241612), (16337, 1234012), (16796, 1200289), (18259, 1104116), (20026, 1006694), (21233, 949468), (23731, 849524), (24986, 806854), (27404, 735661), (30628, 658223), (32474, 620806), (32674, 617006), (36518, 552058), (38719, 520676), (40052, 503347), (42466, 474734), (47462, 424762), (49972, 403427), (64948, 310403), (65348, 308503), (73036, 276029), (77438, 260338), (84932, 237367), (94924, 212381), (130169, 154876)]