20643742

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1051}}^1$

素因数の和:1144

約数の個数: 32

約数和(自身を含む): 37569024

約数和(自身を除く): 16925282

約数列:

[1, 2, 7, 14, 23, 46, 61, 122, 161, 322, 427, 854, 1051, 1403, 2102, 2806, 7357, 9821, 14714, 19642, 24173, 48346, 64111, 128222, 169211, 338422, 448777, 897554, 1474553, 2949106, 10321871, 20643742]

約数ペア:

[(1, 20643742), (2, 10321871), (7, 2949106), (14, 1474553), (23, 897554), (46, 448777), (61, 338422), (122, 169211), (161, 128222), (322, 64111), (427, 48346), (854, 24173), (1051, 19642), (1403, 14714), (2102, 9821), (2806, 7357)]