20468624

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6121}}^1$

素因数の和:6159

約数の個数: 40

約数和(自身を含む): 45547680

約数和(自身を除く): 25079056

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 6121, 12242, 24484, 48968, 67331, 97936, 116299, 134662, 232598, 269324, 465196, 538648, 930392, 1077296, 1279289, 1860784, 2558578, 5117156, 10234312, 20468624]

約数ペア:

[(1, 20468624), (2, 10234312), (4, 5117156), (8, 2558578), (11, 1860784), (16, 1279289), (19, 1077296), (22, 930392), (38, 538648), (44, 465196), (76, 269324), (88, 232598), (152, 134662), (176, 116299), (209, 97936), (304, 67331), (418, 48968), (836, 24484), (1672, 12242), (3344, 6121)]