20199887217

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{49853}}^1$

素因数の和:50254

約数の個数: 32

約数和(自身を含む): 30710064000

約数和(自身を除く): 10510176783

約数列:

[1, 3, 9, 27, 43, 129, 349, 387, 1047, 1161, 3141, 9423, 15007, 45021, 49853, 135063, 149559, 405189, 448677, 1346031, 2143679, 6431037, 17398697, 19293111, 52196091, 57879333, 156588273, 469764819, 748143971, 2244431913, 6733295739, 20199887217]

約数ペア:

[(1, 20199887217), (3, 6733295739), (9, 2244431913), (27, 748143971), (43, 469764819), (129, 156588273), (349, 57879333), (387, 52196091), (1047, 19293111), (1161, 17398697), (3141, 6431037), (9423, 2143679), (15007, 1346031), (45021, 448677), (49853, 405189), (135063, 149559)]