20897208

素因数分解:

$2^3\times 3^2\times {\mathrm{41}}^1\times {\mathrm{7079}}^1$

素因数の和:7132

約数の個数: 48

約数和(自身を含む): 57985200

約数和(自身を除く): 37087992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 41, 72, 82, 123, 164, 246, 328, 369, 492, 738, 984, 1476, 2952, 7079, 14158, 21237, 28316, 42474, 56632, 63711, 84948, 127422, 169896, 254844, 290239, 509688, 580478, 870717, 1160956, 1741434, 2321912, 2612151, 3482868, 5224302, 6965736, 10448604, 20897208]

約数ペア:

[(1, 20897208), (2, 10448604), (3, 6965736), (4, 5224302), (6, 3482868), (8, 2612151), (9, 2321912), (12, 1741434), (18, 1160956), (24, 870717), (36, 580478), (41, 509688), (72, 290239), (82, 254844), (123, 169896), (164, 127422), (246, 84948), (328, 63711), (369, 56632), (492, 42474), (738, 28316), (984, 21237), (1476, 14158), (2952, 7079)]