20858784

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:250

約数の個数: 96

約数和(自身を含む): 58189824

約数和(自身を除く): 37331040

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 43, 48, 62, 86, 93, 96, 124, 129, 163, 172, 186, 248, 258, 326, 344, 372, 489, 496, 516, 652, 688, 744, 978, 992, 1032, 1304, 1333, 1376, 1488, 1956, 2064, 2608, 2666, 2976, 3912, 3999, 4128, 5053, 5216, 5332, 7009, 7824, 7998, 10106, 10664, 14018, 15159, 15648, 15996, 20212, 21027, 21328, 28036, 30318, 31992, 40424, 42054, 42656, 56072, 60636, 63984, 80848, 84108, 112144, 121272, 127968, 161696, 168216, 217279, 224288, 242544, 336432, 434558, 485088, 651837, 672864, 869116, 1303674, 1738232, 2607348, 3476464, 5214696, 6952928, 10429392, 20858784]

約数ペア:

[(1, 20858784), (2, 10429392), (3, 6952928), (4, 5214696), (6, 3476464), (8, 2607348), (12, 1738232), (16, 1303674), (24, 869116), (31, 672864), (32, 651837), (43, 485088), (48, 434558), (62, 336432), (86, 242544), (93, 224288), (96, 217279), (124, 168216), (129, 161696), (163, 127968), (172, 121272), (186, 112144), (248, 84108), (258, 80848), (326, 63984), (344, 60636), (372, 56072), (489, 42656), (496, 42054), (516, 40424), (652, 31992), (688, 30318), (744, 28036), (978, 21328), (992, 21027), (1032, 20212), (1304, 15996), (1333, 15648), (1376, 15159), (1488, 14018), (1956, 10664), (2064, 10106), (2608, 7998), (2666, 7824), (2976, 7009), (3912, 5332), (3999, 5216), (4128, 5053)]