20118751562

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{607}}^1\times {\mathrm{677}}^1$

素因数の和:1575

約数の個数: 64

約数和(自身を含む): 37396961280

約数和(自身を除く): 17278209718

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 269, 538, 607, 677, 1214, 1354, 1883, 3497, 3766, 4249, 4739, 6994, 7891, 8498, 8801, 9478, 15782, 17602, 24479, 48958, 55237, 61607, 110474, 123214, 163283, 182113, 326566, 364226, 410939, 821878, 1142981, 1274791, 2122679, 2285962, 2367469, 2549582, 2876573, 4245358, 4734938, 5342207, 5753146, 10684414, 14858753, 16572283, 29717506, 33144566, 37395449, 74790898, 110542591, 221085182, 773798137, 1437053683, 1547596274, 2874107366, 10059375781, 20118751562]

約数ペア:

[(1, 20118751562), (2, 10059375781), (7, 2874107366), (13, 1547596274), (14, 1437053683), (26, 773798137), (91, 221085182), (182, 110542591), (269, 74790898), (538, 37395449), (607, 33144566), (677, 29717506), (1214, 16572283), (1354, 14858753), (1883, 10684414), (3497, 5753146), (3766, 5342207), (4249, 4734938), (4739, 4245358), (6994, 2876573), (7891, 2549582), (8498, 2367469), (8801, 2285962), (9478, 2122679), (15782, 1274791), (17602, 1142981), (24479, 821878), (48958, 410939), (55237, 364226), (61607, 326566), (110474, 182113), (123214, 163283)]