20502292

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 40602240

約数和(自身を除く): 20099948

約数列:

[1, 2, 4, 19, 23, 37, 38, 46, 74, 76, 92, 148, 317, 437, 634, 703, 851, 874, 1268, 1406, 1702, 1748, 2812, 3404, 6023, 7291, 11729, 12046, 14582, 16169, 23458, 24092, 29164, 32338, 46916, 64676, 138529, 222851, 269767, 277058, 445702, 539534, 554116, 891404, 1079068, 5125573, 10251146, 20502292]

約数ペア:

[(1, 20502292), (2, 10251146), (4, 5125573), (19, 1079068), (23, 891404), (37, 554116), (38, 539534), (46, 445702), (74, 277058), (76, 269767), (92, 222851), (148, 138529), (317, 64676), (437, 46916), (634, 32338), (703, 29164), (851, 24092), (874, 23458), (1268, 16169), (1406, 14582), (1702, 12046), (1748, 11729), (2812, 7291), (3404, 6023)]