20992046260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{665569}}^1$

素因数の和:665680

約数の個数: 48

約数和(自身を含む): 46962619200

約数和(自身を除く): 25970572940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 332, 380, 415, 830, 1577, 1660, 3154, 6308, 7885, 15770, 31540, 665569, 1331138, 2662276, 3327845, 6655690, 12645811, 13311380, 25291622, 50583244, 55242227, 63229055, 110484454, 126458110, 220968908, 252916220, 276211135, 552422270, 1049602313, 1104844540, 2099204626, 4198409252, 5248011565, 10496023130, 20992046260]

約数ペア:

[(1, 20992046260), (2, 10496023130), (4, 5248011565), (5, 4198409252), (10, 2099204626), (19, 1104844540), (20, 1049602313), (38, 552422270), (76, 276211135), (83, 252916220), (95, 220968908), (166, 126458110), (190, 110484454), (332, 63229055), (380, 55242227), (415, 50583244), (830, 25291622), (1577, 13311380), (1660, 12645811), (3154, 6655690), (6308, 3327845), (7885, 2662276), (15770, 1331138), (31540, 665569)]