20773184

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:403

約数の個数: 56

約数和(自身を含む): 44503848

約数和(自身を除く): 23730664

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 61, 64, 68, 122, 136, 244, 272, 313, 488, 544, 626, 976, 1037, 1088, 1252, 1952, 2074, 2504, 3904, 4148, 5008, 5321, 8296, 10016, 10642, 16592, 19093, 20032, 21284, 33184, 38186, 42568, 66368, 76372, 85136, 152744, 170272, 305488, 324581, 340544, 610976, 649162, 1221952, 1298324, 2596648, 5193296, 10386592, 20773184]

約数ペア:

[(1, 20773184), (2, 10386592), (4, 5193296), (8, 2596648), (16, 1298324), (17, 1221952), (32, 649162), (34, 610976), (61, 340544), (64, 324581), (68, 305488), (122, 170272), (136, 152744), (244, 85136), (272, 76372), (313, 66368), (488, 42568), (544, 38186), (626, 33184), (976, 21284), (1037, 20032), (1088, 19093), (1252, 16592), (1952, 10642), (2074, 10016), (2504, 8296), (3904, 5321), (4148, 5008)]