20859328

素因数分解:

$2^6\times 7^1\times {\mathrm{101}}^1\times {\mathrm{461}}^1$

素因数の和:581

約数の個数: 56

約数和(自身を含む): 47877984

約数和(自身を除く): 27018656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 101, 112, 202, 224, 404, 448, 461, 707, 808, 922, 1414, 1616, 1844, 2828, 3227, 3232, 3688, 5656, 6454, 6464, 7376, 11312, 12908, 14752, 22624, 25816, 29504, 45248, 46561, 51632, 93122, 103264, 186244, 206528, 325927, 372488, 651854, 744976, 1303708, 1489952, 2607416, 2979904, 5214832, 10429664, 20859328]

約数ペア:

[(1, 20859328), (2, 10429664), (4, 5214832), (7, 2979904), (8, 2607416), (14, 1489952), (16, 1303708), (28, 744976), (32, 651854), (56, 372488), (64, 325927), (101, 206528), (112, 186244), (202, 103264), (224, 93122), (404, 51632), (448, 46561), (461, 45248), (707, 29504), (808, 25816), (922, 22624), (1414, 14752), (1616, 12908), (1844, 11312), (2828, 7376), (3227, 6464), (3232, 6454), (3688, 5656)]