20205514096

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{419}}^1\times {\mathrm{49409}}^1$

素因数の和:49897

約数の個数: 40

約数和(自身を含む): 39885728400

約数和(自身を除く): 19680214304

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 419, 488, 838, 976, 1676, 3352, 6704, 25559, 49409, 51118, 98818, 102236, 197636, 204472, 395272, 408944, 790544, 3013949, 6027898, 12055796, 20702371, 24111592, 41404742, 48223184, 82809484, 165618968, 331237936, 1262844631, 2525689262, 5051378524, 10102757048, 20205514096]

約数ペア:

[(1, 20205514096), (2, 10102757048), (4, 5051378524), (8, 2525689262), (16, 1262844631), (61, 331237936), (122, 165618968), (244, 82809484), (419, 48223184), (488, 41404742), (838, 24111592), (976, 20702371), (1676, 12055796), (3352, 6027898), (6704, 3013949), (25559, 790544), (49409, 408944), (51118, 395272), (98818, 204472), (102236, 197636)]