20215832

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3967}}^1$

素因数の和:4000

約数の個数: 48

約数和(自身を含む): 47496960

約数和(自身を除く): 27281128

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 3967, 5096, 7934, 15868, 27769, 31736, 51571, 55538, 103142, 111076, 194383, 206284, 222152, 360997, 388766, 412568, 721994, 777532, 1443988, 1555064, 2526979, 2887976, 5053958, 10107916, 20215832]

約数ペア:

[(1, 20215832), (2, 10107916), (4, 5053958), (7, 2887976), (8, 2526979), (13, 1555064), (14, 1443988), (26, 777532), (28, 721994), (49, 412568), (52, 388766), (56, 360997), (91, 222152), (98, 206284), (104, 194383), (182, 111076), (196, 103142), (364, 55538), (392, 51571), (637, 31736), (728, 27769), (1274, 15868), (2548, 7934), (3967, 5096)]