20015198

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1019}}^1$

素因数の和:1112

約数の個数: 32

約数和(自身を含む): 36426240

約数和(自身を除く): 16411042

約数列:

[1, 2, 7, 14, 23, 46, 61, 122, 161, 322, 427, 854, 1019, 1403, 2038, 2806, 7133, 9821, 14266, 19642, 23437, 46874, 62159, 124318, 164059, 328118, 435113, 870226, 1429657, 2859314, 10007599, 20015198]

約数ペア:

[(1, 20015198), (2, 10007599), (7, 2859314), (14, 1429657), (23, 870226), (46, 435113), (61, 328118), (122, 164059), (161, 124318), (322, 62159), (427, 46874), (854, 23437), (1019, 19642), (1403, 14266), (2038, 9821), (2806, 7133)]