20591610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1427}}^1$

素因数の和:1487

約数の個数: 64

約数和(自身を含む): 54698112

約数和(自身を除く): 34106502

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 37, 39, 65, 74, 78, 111, 130, 185, 195, 222, 370, 390, 481, 555, 962, 1110, 1427, 1443, 2405, 2854, 2886, 4281, 4810, 7135, 7215, 8562, 14270, 14430, 18551, 21405, 37102, 42810, 52799, 55653, 92755, 105598, 111306, 158397, 185510, 263995, 278265, 316794, 527990, 556530, 686387, 791985, 1372774, 1583970, 2059161, 3431935, 4118322, 6863870, 10295805, 20591610]

約数ペア:

[(1, 20591610), (2, 10295805), (3, 6863870), (5, 4118322), (6, 3431935), (10, 2059161), (13, 1583970), (15, 1372774), (26, 791985), (30, 686387), (37, 556530), (39, 527990), (65, 316794), (74, 278265), (78, 263995), (111, 185510), (130, 158397), (185, 111306), (195, 105598), (222, 92755), (370, 55653), (390, 52799), (481, 42810), (555, 37102), (962, 21405), (1110, 18551), (1427, 14430), (1443, 14270), (2405, 8562), (2854, 7215), (2886, 7135), (4281, 4810)]