20587224

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:173

約数の個数: 128

約数和(自身を含む): 62668800

約数和(自身を除く): 42081576

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 59, 62, 67, 84, 93, 118, 124, 134, 168, 177, 186, 201, 217, 236, 248, 268, 354, 372, 402, 413, 434, 469, 472, 536, 651, 708, 744, 804, 826, 868, 938, 1239, 1302, 1407, 1416, 1608, 1652, 1736, 1829, 1876, 2077, 2478, 2604, 2814, 3304, 3658, 3752, 3953, 4154, 4956, 5208, 5487, 5628, 6231, 7316, 7906, 8308, 9912, 10974, 11256, 11859, 12462, 12803, 14539, 14632, 15812, 16616, 21948, 23718, 24924, 25606, 27671, 29078, 31624, 38409, 43617, 43896, 47436, 49848, 51212, 55342, 58156, 76818, 83013, 87234, 94872, 102424, 110684, 116312, 122543, 153636, 166026, 174468, 221368, 245086, 307272, 332052, 348936, 367629, 490172, 664104, 735258, 857801, 980344, 1470516, 1715602, 2573403, 2941032, 3431204, 5146806, 6862408, 10293612, 20587224]

約数ペア:

[(1, 20587224), (2, 10293612), (3, 6862408), (4, 5146806), (6, 3431204), (7, 2941032), (8, 2573403), (12, 1715602), (14, 1470516), (21, 980344), (24, 857801), (28, 735258), (31, 664104), (42, 490172), (56, 367629), (59, 348936), (62, 332052), (67, 307272), (84, 245086), (93, 221368), (118, 174468), (124, 166026), (134, 153636), (168, 122543), (177, 116312), (186, 110684), (201, 102424), (217, 94872), (236, 87234), (248, 83013), (268, 76818), (354, 58156), (372, 55342), (402, 51212), (413, 49848), (434, 47436), (469, 43896), (472, 43617), (536, 38409), (651, 31624), (708, 29078), (744, 27671), (804, 25606), (826, 24924), (868, 23718), (938, 21948), (1239, 16616), (1302, 15812), (1407, 14632), (1416, 14539), (1608, 12803), (1652, 12462), (1736, 11859), (1829, 11256), (1876, 10974), (2077, 9912), (2478, 8308), (2604, 7906), (2814, 7316), (3304, 6231), (3658, 5628), (3752, 5487), (3953, 5208), (4154, 4956)]