20403852

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 58060800

約数和(自身を除く): 37656948

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 59, 69, 84, 92, 118, 138, 161, 177, 179, 236, 276, 322, 354, 358, 413, 483, 537, 644, 708, 716, 826, 966, 1074, 1239, 1253, 1357, 1652, 1932, 2148, 2478, 2506, 2714, 3759, 4071, 4117, 4956, 5012, 5428, 7518, 8142, 8234, 9499, 10561, 12351, 15036, 16284, 16468, 18998, 21122, 24702, 28497, 28819, 31683, 37996, 42244, 49404, 56994, 57638, 63366, 73927, 86457, 113988, 115276, 126732, 147854, 172914, 221781, 242903, 295708, 345828, 443562, 485806, 728709, 887124, 971612, 1457418, 1700321, 2914836, 3400642, 5100963, 6801284, 10201926, 20403852]

約数ペア:

[(1, 20403852), (2, 10201926), (3, 6801284), (4, 5100963), (6, 3400642), (7, 2914836), (12, 1700321), (14, 1457418), (21, 971612), (23, 887124), (28, 728709), (42, 485806), (46, 443562), (59, 345828), (69, 295708), (84, 242903), (92, 221781), (118, 172914), (138, 147854), (161, 126732), (177, 115276), (179, 113988), (236, 86457), (276, 73927), (322, 63366), (354, 57638), (358, 56994), (413, 49404), (483, 42244), (537, 37996), (644, 31683), (708, 28819), (716, 28497), (826, 24702), (966, 21122), (1074, 18998), (1239, 16468), (1253, 16284), (1357, 15036), (1652, 12351), (1932, 10561), (2148, 9499), (2478, 8234), (2506, 8142), (2714, 7518), (3759, 5428), (4071, 5012), (4117, 4956)]