20893936

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8111}}^1$

素因数の和:8149

約数の個数: 40

約数和(自身を含む): 48282624

約数和(自身を除く): 27388688

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 8111, 16222, 32444, 56777, 64888, 113554, 129776, 186553, 227108, 373106, 454216, 746212, 908432, 1305871, 1492424, 2611742, 2984848, 5223484, 10446968, 20893936]

約数ペア:

[(1, 20893936), (2, 10446968), (4, 5223484), (7, 2984848), (8, 2611742), (14, 1492424), (16, 1305871), (23, 908432), (28, 746212), (46, 454216), (56, 373106), (92, 227108), (112, 186553), (161, 129776), (184, 113554), (322, 64888), (368, 56777), (644, 32444), (1288, 16222), (2576, 8111)]