20432912

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1747}}^1$

素因数の和:1815

約数の個数: 40

約数和(自身を含む): 42916896

約数和(自身を除く): 22483984

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 68, 86, 136, 172, 272, 344, 688, 731, 1462, 1747, 2924, 3494, 5848, 6988, 11696, 13976, 27952, 29699, 59398, 75121, 118796, 150242, 237592, 300484, 475184, 600968, 1201936, 1277057, 2554114, 5108228, 10216456, 20432912]

約数ペア:

[(1, 20432912), (2, 10216456), (4, 5108228), (8, 2554114), (16, 1277057), (17, 1201936), (34, 600968), (43, 475184), (68, 300484), (86, 237592), (136, 150242), (172, 118796), (272, 75121), (344, 59398), (688, 29699), (731, 27952), (1462, 13976), (1747, 11696), (2924, 6988), (3494, 5848)]