20289654

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{14639}}^1$

素因数の和:14665

約数の個数: 48

約数和(自身を含む): 54812160

約数和(自身を除く): 34522506

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 14639, 29278, 43917, 87834, 102473, 131751, 161029, 204946, 263502, 307419, 322058, 483087, 614838, 922257, 966174, 1127203, 1449261, 1844514, 2254406, 2898522, 3381609, 6763218, 10144827, 20289654]

約数ペア:

[(1, 20289654), (2, 10144827), (3, 6763218), (6, 3381609), (7, 2898522), (9, 2254406), (11, 1844514), (14, 1449261), (18, 1127203), (21, 966174), (22, 922257), (33, 614838), (42, 483087), (63, 322058), (66, 307419), (77, 263502), (99, 204946), (126, 161029), (154, 131751), (198, 102473), (231, 87834), (462, 43917), (693, 29278), (1386, 14639)]