20719460018

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1663}}^1\times {\mathrm{1951}}^1$

素因数の和:3750

約数の個数: 32

約数和(自身を含む): 32429309952

約数和(自身を除く): 11709849934

約数列:

[1, 2, 31, 62, 103, 206, 1663, 1951, 3193, 3326, 3902, 6386, 51553, 60481, 103106, 120962, 171289, 200953, 342578, 401906, 3244513, 5309959, 6229543, 6489026, 10619918, 12459086, 100579903, 201159806, 334184839, 668369678, 10359730009, 20719460018]

約数ペア:

[(1, 20719460018), (2, 10359730009), (31, 668369678), (62, 334184839), (103, 201159806), (206, 100579903), (1663, 12459086), (1951, 10619918), (3193, 6489026), (3326, 6229543), (3902, 5309959), (6386, 3244513), (51553, 401906), (60481, 342578), (103106, 200953), (120962, 171289)]