20136479980

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1193}}^1\times {\mathrm{2749}}^1$

素因数の和:4258

約数の個数: 48

約数和(自身を含む): 42475356000

約数和(自身を除く): 22338876020

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1193, 1228, 1535, 2386, 2749, 3070, 4772, 5498, 5965, 6140, 10996, 11930, 13745, 23860, 27490, 54980, 366251, 732502, 843943, 1465004, 1687886, 1831255, 3279557, 3375772, 3662510, 4219715, 6559114, 7325020, 8439430, 13118228, 16397785, 16878860, 32795570, 65591140, 1006823999, 2013647998, 4027295996, 5034119995, 10068239990, 20136479980]

約数ペア:

[(1, 20136479980), (2, 10068239990), (4, 5034119995), (5, 4027295996), (10, 2013647998), (20, 1006823999), (307, 65591140), (614, 32795570), (1193, 16878860), (1228, 16397785), (1535, 13118228), (2386, 8439430), (2749, 7325020), (3070, 6559114), (4772, 4219715), (5498, 3662510), (5965, 3375772), (6140, 3279557), (10996, 1831255), (11930, 1687886), (13745, 1465004), (23860, 843943), (27490, 732502), (54980, 366251)]