20163797234

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{463}}^1\times {\mathrm{1231}}^1$

素因数の和:1748

約数の個数: 72

約数和(自身を含む): 37243438848

約数和(自身を除く): 17079641614

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 361, 463, 722, 926, 931, 1231, 1862, 2462, 2527, 3241, 5054, 6482, 8617, 8797, 17234, 17594, 17689, 22687, 23389, 35378, 45374, 46778, 60319, 61579, 120638, 123158, 163723, 167143, 327446, 334286, 431053, 444391, 569953, 862106, 888782, 1139906, 1146061, 1170001, 2292122, 2340002, 3110737, 3989671, 6221474, 7979342, 8190007, 10829107, 16380014, 21658214, 21775159, 27927697, 43550318, 55855394, 75803749, 151607498, 205753033, 411506066, 530626243, 1061252486, 1440271231, 2880542462, 10081898617, 20163797234]

約数ペア:

[(1, 20163797234), (2, 10081898617), (7, 2880542462), (14, 1440271231), (19, 1061252486), (38, 530626243), (49, 411506066), (98, 205753033), (133, 151607498), (266, 75803749), (361, 55855394), (463, 43550318), (722, 27927697), (926, 21775159), (931, 21658214), (1231, 16380014), (1862, 10829107), (2462, 8190007), (2527, 7979342), (3241, 6221474), (5054, 3989671), (6482, 3110737), (8617, 2340002), (8797, 2292122), (17234, 1170001), (17594, 1146061), (17689, 1139906), (22687, 888782), (23389, 862106), (35378, 569953), (45374, 444391), (46778, 431053), (60319, 334286), (61579, 327446), (120638, 167143), (123158, 163723)]