20553444

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 54966912

約数和(自身を除く): 34413468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 103, 138, 206, 207, 241, 276, 309, 412, 414, 482, 618, 723, 828, 927, 964, 1236, 1446, 1854, 2169, 2369, 2892, 3708, 4338, 4738, 5543, 7107, 8676, 9476, 11086, 14214, 16629, 21321, 22172, 24823, 28428, 33258, 42642, 49646, 49887, 66516, 74469, 85284, 99292, 99774, 148938, 199548, 223407, 297876, 446814, 570929, 893628, 1141858, 1712787, 2283716, 3425574, 5138361, 6851148, 10276722, 20553444]

約数ペア:

[(1, 20553444), (2, 10276722), (3, 6851148), (4, 5138361), (6, 3425574), (9, 2283716), (12, 1712787), (18, 1141858), (23, 893628), (36, 570929), (46, 446814), (69, 297876), (92, 223407), (103, 199548), (138, 148938), (206, 99774), (207, 99292), (241, 85284), (276, 74469), (309, 66516), (412, 49887), (414, 49646), (482, 42642), (618, 33258), (723, 28428), (828, 24823), (927, 22172), (964, 21321), (1236, 16629), (1446, 14214), (1854, 11086), (2169, 9476), (2369, 8676), (2892, 7107), (3708, 5543), (4338, 4738)]