20471976364

素因数分解:

$2^2\times 7^2\times {\mathrm{1949}}^1\times {\mathrm{53591}}^1$

素因数の和:55558

約数の個数: 36

約数和(自身を含む): 41697255600

約数和(自身を除く): 21225279236

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1949, 3898, 7796, 13643, 27286, 53591, 54572, 95501, 107182, 191002, 214364, 375137, 382004, 750274, 1500548, 2625959, 5251918, 10503836, 104448859, 208897718, 417795436, 731142013, 1462284026, 2924568052, 5117994091, 10235988182, 20471976364]

約数ペア:

[(1, 20471976364), (2, 10235988182), (4, 5117994091), (7, 2924568052), (14, 1462284026), (28, 731142013), (49, 417795436), (98, 208897718), (196, 104448859), (1949, 10503836), (3898, 5251918), (7796, 2625959), (13643, 1500548), (27286, 750274), (53591, 382004), (54572, 375137), (95501, 214364), (107182, 191002)]