20179639909

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1\times {\mathrm{389}}^1$

素因数の和:806

約数の個数: 64

約数和(自身を含む): 25510867200

約数和(自身を除く): 5331227291

約数列:

[1, 11, 13, 19, 61, 143, 209, 247, 313, 389, 671, 793, 1159, 2717, 3443, 4069, 4279, 5057, 5947, 7391, 8723, 12749, 15067, 19093, 23729, 44759, 55627, 65417, 77311, 81301, 96083, 121757, 165737, 210023, 248209, 261019, 308477, 362767, 450851, 850421, 1056913, 1339327, 1582841, 2313383, 2730299, 3393247, 3990437, 4715971, 4959361, 5861063, 7427177, 17411251, 25447213, 30073979, 51875681, 64471693, 81698947, 96553301, 141116363, 330813769, 1062086311, 1552279993, 1834512719, 20179639909]

約数ペア:

[(1, 20179639909), (11, 1834512719), (13, 1552279993), (19, 1062086311), (61, 330813769), (143, 141116363), (209, 96553301), (247, 81698947), (313, 64471693), (389, 51875681), (671, 30073979), (793, 25447213), (1159, 17411251), (2717, 7427177), (3443, 5861063), (4069, 4959361), (4279, 4715971), (5057, 3990437), (5947, 3393247), (7391, 2730299), (8723, 2313383), (12749, 1582841), (15067, 1339327), (19093, 1056913), (23729, 850421), (44759, 450851), (55627, 362767), (65417, 308477), (77311, 261019), (81301, 248209), (96083, 210023), (121757, 165737)]