20594398237

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{653}}^1$

素因数の和:874

約数の個数: 64

約数和(自身を含む): 26037780480

約数和(自身を除く): 5443382243

約数列:

[1, 7, 23, 31, 71, 89, 161, 217, 497, 623, 653, 713, 1633, 2047, 2201, 2759, 4571, 4991, 6319, 11431, 14329, 15019, 15407, 19313, 20243, 44233, 46363, 50623, 58117, 63457, 105133, 141701, 145337, 195889, 324541, 354361, 406819, 444199, 465589, 1017359, 1066349, 1336691, 1371223, 1437253, 1801627, 3259123, 4126307, 4505447, 7464443, 9356837, 10060771, 12611389, 28884149, 31538129, 33056819, 41437421, 94905061, 127915517, 231397733, 290061947, 664335427, 895408619, 2942056891, 20594398237]

約数ペア:

[(1, 20594398237), (7, 2942056891), (23, 895408619), (31, 664335427), (71, 290061947), (89, 231397733), (161, 127915517), (217, 94905061), (497, 41437421), (623, 33056819), (653, 31538129), (713, 28884149), (1633, 12611389), (2047, 10060771), (2201, 9356837), (2759, 7464443), (4571, 4505447), (4991, 4126307), (6319, 3259123), (11431, 1801627), (14329, 1437253), (15019, 1371223), (15407, 1336691), (19313, 1066349), (20243, 1017359), (44233, 465589), (46363, 444199), (50623, 406819), (58117, 354361), (63457, 324541), (105133, 195889), (141701, 145337)]