20819358

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{165233}}^1$

素因数の和:165248

約数の個数: 24

約数和(自身を含む): 51553008

約数和(自身を除く): 30733650

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 165233, 330466, 495699, 991398, 1156631, 1487097, 2313262, 2974194, 3469893, 6939786, 10409679, 20819358]

約数ペア:

[(1, 20819358), (2, 10409679), (3, 6939786), (6, 3469893), (7, 2974194), (9, 2313262), (14, 1487097), (18, 1156631), (21, 991398), (42, 495699), (63, 330466), (126, 165233)]