20350064

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:238

約数の個数: 80

約数和(自身を含む): 48449280

約数和(自身を除く): 28099216

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 73, 76, 112, 131, 133, 146, 152, 262, 266, 292, 304, 511, 524, 532, 584, 917, 1022, 1048, 1064, 1168, 1387, 1834, 2044, 2096, 2128, 2489, 2774, 3668, 4088, 4978, 5548, 7336, 8176, 9563, 9709, 9956, 11096, 14672, 17423, 19126, 19418, 19912, 22192, 34846, 38252, 38836, 39824, 66941, 69692, 76504, 77672, 133882, 139384, 153008, 155344, 181697, 267764, 278768, 363394, 535528, 726788, 1071056, 1271879, 1453576, 2543758, 2907152, 5087516, 10175032, 20350064]

約数ペア:

[(1, 20350064), (2, 10175032), (4, 5087516), (7, 2907152), (8, 2543758), (14, 1453576), (16, 1271879), (19, 1071056), (28, 726788), (38, 535528), (56, 363394), (73, 278768), (76, 267764), (112, 181697), (131, 155344), (133, 153008), (146, 139384), (152, 133882), (262, 77672), (266, 76504), (292, 69692), (304, 66941), (511, 39824), (524, 38836), (532, 38252), (584, 34846), (917, 22192), (1022, 19912), (1048, 19418), (1064, 19126), (1168, 17423), (1387, 14672), (1834, 11096), (2044, 9956), (2096, 9709), (2128, 9563), (2489, 8176), (2774, 7336), (3668, 5548), (4088, 4978)]