20008250678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1123}}^1\times {\mathrm{5231}}^1$

素因数の和:6500

約数の個数: 32

約数和(自身を含む): 32602977792

約数和(自身を除く): 12594727114

約数列:

[1, 2, 13, 26, 131, 262, 1123, 1703, 2246, 3406, 5231, 10462, 14599, 29198, 68003, 136006, 147113, 294226, 685261, 1370522, 1912469, 3824938, 5874413, 8908393, 11748826, 17816786, 76367369, 152734738, 769548103, 1539096206, 10004125339, 20008250678]

約数ペア:

[(1, 20008250678), (2, 10004125339), (13, 1539096206), (26, 769548103), (131, 152734738), (262, 76367369), (1123, 17816786), (1703, 11748826), (2246, 8908393), (3406, 5874413), (5231, 3824938), (10462, 1912469), (14599, 1370522), (29198, 685261), (68003, 294226), (136006, 147113)]