20897424

素因数分解:

$2^4\times 3^2\times {\mathrm{145121}}^1$

素因数の和:145135

約数の個数: 30

約数和(自身を含む): 58484166

約数和(自身を除く): 37586742

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 145121, 290242, 435363, 580484, 870726, 1160968, 1306089, 1741452, 2321936, 2612178, 3482904, 5224356, 6965808, 10448712, 20897424]

約数ペア:

[(1, 20897424), (2, 10448712), (3, 6965808), (4, 5224356), (6, 3482904), (8, 2612178), (9, 2321936), (12, 1741452), (16, 1306089), (18, 1160968), (24, 870726), (36, 580484), (48, 435363), (72, 290242), (144, 145121)]