20969298

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1021}}^1$

素因数の和:1199

約数の個数: 48

約数和(自身を含む): 52293696

約数和(自身を除く): 31324398

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 163, 326, 489, 978, 1021, 1141, 1467, 2042, 2282, 2934, 3063, 3423, 6126, 6846, 7147, 9189, 10269, 14294, 18378, 20538, 21441, 42882, 64323, 128646, 166423, 332846, 499269, 998538, 1164961, 1497807, 2329922, 2995614, 3494883, 6989766, 10484649, 20969298]

約数ペア:

[(1, 20969298), (2, 10484649), (3, 6989766), (6, 3494883), (7, 2995614), (9, 2329922), (14, 1497807), (18, 1164961), (21, 998538), (42, 499269), (63, 332846), (126, 166423), (163, 128646), (326, 64323), (489, 42882), (978, 21441), (1021, 20538), (1141, 18378), (1467, 14294), (2042, 10269), (2282, 9189), (2934, 7147), (3063, 6846), (3423, 6126)]