20496495584

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{439}}^1\times {\mathrm{33931}}^1$

素因数の和:34423

約数の個数: 48

約数和(自身を含む): 41386181760

約数和(自身を除く): 20889686176

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 439, 688, 878, 1376, 1756, 3512, 7024, 14048, 18877, 33931, 37754, 67862, 75508, 135724, 151016, 271448, 302032, 542896, 604064, 1085792, 1459033, 2918066, 5836132, 11672264, 14895709, 23344528, 29791418, 46689056, 59582836, 119165672, 238331344, 476662688, 640515487, 1281030974, 2562061948, 5124123896, 10248247792, 20496495584]

約数ペア:

[(1, 20496495584), (2, 10248247792), (4, 5124123896), (8, 2562061948), (16, 1281030974), (32, 640515487), (43, 476662688), (86, 238331344), (172, 119165672), (344, 59582836), (439, 46689056), (688, 29791418), (878, 23344528), (1376, 14895709), (1756, 11672264), (3512, 5836132), (7024, 2918066), (14048, 1459033), (18877, 1085792), (33931, 604064), (37754, 542896), (67862, 302032), (75508, 271448), (135724, 151016)]