20294667328

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{786859}}^1$

素因数の和:786915

約数の個数: 56

約数和(自身を含む): 44769186560

約数和(自身を除く): 24474519232

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 208, 248, 403, 416, 496, 806, 832, 992, 1612, 1984, 3224, 6448, 12896, 25792, 786859, 1573718, 3147436, 6294872, 10229167, 12589744, 20458334, 24392629, 25179488, 40916668, 48785258, 50358976, 81833336, 97570516, 163666672, 195141032, 317104177, 327333344, 390282064, 634208354, 654666688, 780564128, 1268416708, 1561128256, 2536833416, 5073666832, 10147333664, 20294667328]

約数ペア:

[(1, 20294667328), (2, 10147333664), (4, 5073666832), (8, 2536833416), (13, 1561128256), (16, 1268416708), (26, 780564128), (31, 654666688), (32, 634208354), (52, 390282064), (62, 327333344), (64, 317104177), (104, 195141032), (124, 163666672), (208, 97570516), (248, 81833336), (403, 50358976), (416, 48785258), (496, 40916668), (806, 25179488), (832, 24392629), (992, 20458334), (1612, 12589744), (1984, 10229167), (3224, 6294872), (6448, 3147436), (12896, 1573718), (25792, 786859)]