20381121504

素因数分解:

$2^5\times 3^5\times {\mathrm{199}}^1\times {\mathrm{13171}}^1$

素因数の和:13395

約数の個数: 144

約数和(自身を含む): 60412060800

約数和(自身を除く): 40030939296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 199, 216, 243, 288, 324, 398, 432, 486, 597, 648, 796, 864, 972, 1194, 1296, 1592, 1791, 1944, 2388, 2592, 3184, 3582, 3888, 4776, 5373, 6368, 7164, 7776, 9552, 10746, 13171, 14328, 16119, 19104, 21492, 26342, 28656, 32238, 39513, 42984, 48357, 52684, 57312, 64476, 79026, 85968, 96714, 105368, 118539, 128952, 158052, 171936, 193428, 210736, 237078, 257904, 316104, 355617, 386856, 421472, 474156, 515808, 632208, 711234, 773712, 948312, 1066851, 1264416, 1422468, 1547424, 1896624, 2133702, 2621029, 2844936, 3200553, 3793248, 4267404, 5242058, 5689872, 6401106, 7863087, 8534808, 10484116, 11379744, 12802212, 15726174, 17069616, 20968232, 23589261, 25604424, 31452348, 34139232, 41936464, 47178522, 51208848, 62904696, 70767783, 83872928, 94357044, 102417696, 125809392, 141535566, 188714088, 212303349, 251618784, 283071132, 377428176, 424606698, 566142264, 636910047, 754856352, 849213396, 1132284528, 1273820094, 1698426792, 2264569056, 2547640188, 3396853584, 5095280376, 6793707168, 10190560752, 20381121504]

約数ペア:

[(1, 20381121504), (2, 10190560752), (3, 6793707168), (4, 5095280376), (6, 3396853584), (8, 2547640188), (9, 2264569056), (12, 1698426792), (16, 1273820094), (18, 1132284528), (24, 849213396), (27, 754856352), (32, 636910047), (36, 566142264), (48, 424606698), (54, 377428176), (72, 283071132), (81, 251618784), (96, 212303349), (108, 188714088), (144, 141535566), (162, 125809392), (199, 102417696), (216, 94357044), (243, 83872928), (288, 70767783), (324, 62904696), (398, 51208848), (432, 47178522), (486, 41936464), (597, 34139232), (648, 31452348), (796, 25604424), (864, 23589261), (972, 20968232), (1194, 17069616), (1296, 15726174), (1592, 12802212), (1791, 11379744), (1944, 10484116), (2388, 8534808), (2592, 7863087), (3184, 6401106), (3582, 5689872), (3888, 5242058), (4776, 4267404), (5373, 3793248), (6368, 3200553), (7164, 2844936), (7776, 2621029), (9552, 2133702), (10746, 1896624), (13171, 1547424), (14328, 1422468), (16119, 1264416), (19104, 1066851), (21492, 948312), (26342, 773712), (28656, 711234), (32238, 632208), (39513, 515808), (42984, 474156), (48357, 421472), (52684, 386856), (57312, 355617), (64476, 316104), (79026, 257904), (85968, 237078), (96714, 210736), (105368, 193428), (118539, 171936), (128952, 158052)]