20682777470

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{8287}}^1$

素因数の和:8505

約数の個数: 64

約数和(自身を含む): 39298646016

約数和(自身を除く): 18615868546

約数列:

[1, 2, 5, 10, 31, 62, 83, 97, 155, 166, 194, 310, 415, 485, 830, 970, 2573, 3007, 5146, 6014, 8051, 8287, 12865, 15035, 16102, 16574, 25730, 30070, 40255, 41435, 80510, 82870, 249581, 256897, 499162, 513794, 687821, 803839, 1247905, 1284485, 1375642, 1607678, 2495810, 2568970, 3439105, 4019195, 6878210, 8038390, 21322451, 24919009, 42644902, 49838018, 66718637, 106612255, 124595045, 133437274, 213224510, 249190090, 333593185, 667186370, 2068277747, 4136555494, 10341388735, 20682777470]

約数ペア:

[(1, 20682777470), (2, 10341388735), (5, 4136555494), (10, 2068277747), (31, 667186370), (62, 333593185), (83, 249190090), (97, 213224510), (155, 133437274), (166, 124595045), (194, 106612255), (310, 66718637), (415, 49838018), (485, 42644902), (830, 24919009), (970, 21322451), (2573, 8038390), (3007, 6878210), (5146, 4019195), (6014, 3439105), (8051, 2568970), (8287, 2495810), (12865, 1607678), (15035, 1375642), (16102, 1284485), (16574, 1247905), (25730, 803839), (30070, 687821), (40255, 513794), (41435, 499162), (80510, 256897), (82870, 249581)]