20548728

素因数分解:

$2^3\times 3^4\times {\mathrm{19}}^1\times {\mathrm{1669}}^1$

素因数の和:1706

約数の個数: 80

約数和(自身を含む): 60621000

約数和(自身を除く): 40072272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 81, 108, 114, 152, 162, 171, 216, 228, 324, 342, 456, 513, 648, 684, 1026, 1368, 1539, 1669, 2052, 3078, 3338, 4104, 5007, 6156, 6676, 10014, 12312, 13352, 15021, 20028, 30042, 31711, 40056, 45063, 60084, 63422, 90126, 95133, 120168, 126844, 135189, 180252, 190266, 253688, 270378, 285399, 360504, 380532, 540756, 570798, 761064, 856197, 1081512, 1141596, 1712394, 2283192, 2568591, 3424788, 5137182, 6849576, 10274364, 20548728]

約数ペア:

[(1, 20548728), (2, 10274364), (3, 6849576), (4, 5137182), (6, 3424788), (8, 2568591), (9, 2283192), (12, 1712394), (18, 1141596), (19, 1081512), (24, 856197), (27, 761064), (36, 570798), (38, 540756), (54, 380532), (57, 360504), (72, 285399), (76, 270378), (81, 253688), (108, 190266), (114, 180252), (152, 135189), (162, 126844), (171, 120168), (216, 95133), (228, 90126), (324, 63422), (342, 60084), (456, 45063), (513, 40056), (648, 31711), (684, 30042), (1026, 20028), (1368, 15021), (1539, 13352), (1669, 12312), (2052, 10014), (3078, 6676), (3338, 6156), (4104, 5007)]