20660486

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:369

約数の個数: 64

約数和(自身を含む): 42577920

約数和(自身を除く): 21917434

約数列:

[1, 2, 7, 11, 14, 19, 22, 23, 38, 46, 77, 133, 154, 161, 209, 253, 266, 307, 322, 418, 437, 506, 614, 874, 1463, 1771, 2149, 2926, 3059, 3377, 3542, 4298, 4807, 5833, 6118, 6754, 7061, 9614, 11666, 14122, 23639, 33649, 40831, 47278, 49427, 64163, 67298, 77671, 81662, 98854, 128326, 134159, 155342, 268318, 449141, 543697, 898282, 939113, 1087394, 1475749, 1878226, 2951498, 10330243, 20660486]

約数ペア:

[(1, 20660486), (2, 10330243), (7, 2951498), (11, 1878226), (14, 1475749), (19, 1087394), (22, 939113), (23, 898282), (38, 543697), (46, 449141), (77, 268318), (133, 155342), (154, 134159), (161, 128326), (209, 98854), (253, 81662), (266, 77671), (307, 67298), (322, 64163), (418, 49427), (437, 47278), (506, 40831), (614, 33649), (874, 23639), (1463, 14122), (1771, 11666), (2149, 9614), (2926, 7061), (3059, 6754), (3377, 6118), (3542, 5833), (4298, 4807)]