20143728020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1461809}}^1$

素因数の和:1461884

約数の個数: 48

約数和(自身を含む): 46415391120

約数和(自身を除く): 26271663100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890, 13780, 1461809, 2923618, 5847236, 7309045, 14618090, 19003517, 29236180, 38007034, 76014068, 77475877, 95017585, 154951754, 190035170, 309903508, 380070340, 387379385, 774758770, 1007186401, 1549517540, 2014372802, 4028745604, 5035932005, 10071864010, 20143728020]

約数ペア:

[(1, 20143728020), (2, 10071864010), (4, 5035932005), (5, 4028745604), (10, 2014372802), (13, 1549517540), (20, 1007186401), (26, 774758770), (52, 387379385), (53, 380070340), (65, 309903508), (106, 190035170), (130, 154951754), (212, 95017585), (260, 77475877), (265, 76014068), (530, 38007034), (689, 29236180), (1060, 19003517), (1378, 14618090), (2756, 7309045), (3445, 5847236), (6890, 2923618), (13780, 1461809)]