20146768028

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{8419}}^1$

素因数の和:8539

約数の個数: 72

約数和(自身を含む): 39805718400

約数和(自身を除く): 19658950372

約数列:

[1, 2, 4, 19, 23, 37, 38, 46, 74, 76, 92, 148, 437, 703, 851, 874, 1369, 1406, 1702, 1748, 2738, 2812, 3404, 5476, 8419, 16169, 16838, 26011, 31487, 32338, 33676, 52022, 62974, 64676, 104044, 125948, 159961, 193637, 311503, 319922, 387274, 598253, 623006, 639844, 774548, 1196506, 1246012, 2393012, 3679103, 5918557, 7164569, 7358206, 11525611, 11837114, 14329138, 14716412, 23051222, 23674228, 28658276, 46102444, 136126811, 218986609, 265089053, 272253622, 437973218, 530178106, 544507244, 875946436, 1060356212, 5036692007, 10073384014, 20146768028]

約数ペア:

[(1, 20146768028), (2, 10073384014), (4, 5036692007), (19, 1060356212), (23, 875946436), (37, 544507244), (38, 530178106), (46, 437973218), (74, 272253622), (76, 265089053), (92, 218986609), (148, 136126811), (437, 46102444), (703, 28658276), (851, 23674228), (874, 23051222), (1369, 14716412), (1406, 14329138), (1702, 11837114), (1748, 11525611), (2738, 7358206), (2812, 7164569), (3404, 5918557), (5476, 3679103), (8419, 2393012), (16169, 1246012), (16838, 1196506), (26011, 774548), (31487, 639844), (32338, 623006), (33676, 598253), (52022, 387274), (62974, 319922), (64676, 311503), (104044, 193637), (125948, 159961)]