20660248

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6961}}^1$

素因数の和:7027

約数の個数: 32

約数和(自身を含む): 45113760

約数和(自身を除く): 24453512

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 6961, 13922, 27844, 48727, 55688, 97454, 194908, 368933, 389816, 737866, 1475732, 2582531, 2951464, 5165062, 10330124, 20660248]

約数ペア:

[(1, 20660248), (2, 10330124), (4, 5165062), (7, 2951464), (8, 2582531), (14, 1475732), (28, 737866), (53, 389816), (56, 368933), (106, 194908), (212, 97454), (371, 55688), (424, 48727), (742, 27844), (1484, 13922), (2968, 6961)]