20512323078

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{607}}^1\times {\mathrm{4049}}^1$

素因数の和:4781

約数の個数: 64

約数和(自身を含む): 44677785600

約数和(自身を除く): 24165462522

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 107, 214, 321, 607, 642, 1214, 1391, 1821, 2782, 3642, 4049, 4173, 7891, 8098, 8346, 12147, 15782, 23673, 24294, 47346, 52637, 64949, 105274, 129898, 157911, 194847, 315822, 389694, 433243, 844337, 866486, 1299729, 1688674, 2457743, 2533011, 2599458, 4915486, 5066022, 5632159, 7373229, 11264318, 14746458, 16896477, 31950659, 33792954, 63901318, 95851977, 191703954, 262978501, 525957002, 788935503, 1577871006, 3418720513, 6837441026, 10256161539, 20512323078]

約数ペア:

[(1, 20512323078), (2, 10256161539), (3, 6837441026), (6, 3418720513), (13, 1577871006), (26, 788935503), (39, 525957002), (78, 262978501), (107, 191703954), (214, 95851977), (321, 63901318), (607, 33792954), (642, 31950659), (1214, 16896477), (1391, 14746458), (1821, 11264318), (2782, 7373229), (3642, 5632159), (4049, 5066022), (4173, 4915486), (7891, 2599458), (8098, 2533011), (8346, 2457743), (12147, 1688674), (15782, 1299729), (23673, 866486), (24294, 844337), (47346, 433243), (52637, 389694), (64949, 315822), (105274, 194847), (129898, 157911)]