20102643080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1680823}}^1$

素因数の和:1680870

約数の個数: 64

約数和(自身を含む): 50828117760

約数和(自身を除く): 30725474680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 2392, 2990, 5980, 11960, 1680823, 3361646, 6723292, 8404115, 13446584, 16808230, 21850699, 33616460, 38658929, 43701398, 67232920, 77317858, 87402796, 109253495, 154635716, 174805592, 193294645, 218506990, 309271432, 386589290, 437013980, 502566077, 773178580, 874027960, 1005132154, 1546357160, 2010264308, 2512830385, 4020528616, 5025660770, 10051321540, 20102643080]

約数ペア:

[(1, 20102643080), (2, 10051321540), (4, 5025660770), (5, 4020528616), (8, 2512830385), (10, 2010264308), (13, 1546357160), (20, 1005132154), (23, 874027960), (26, 773178580), (40, 502566077), (46, 437013980), (52, 386589290), (65, 309271432), (92, 218506990), (104, 193294645), (115, 174805592), (130, 154635716), (184, 109253495), (230, 87402796), (260, 77317858), (299, 67232920), (460, 43701398), (520, 38658929), (598, 33616460), (920, 21850699), (1196, 16808230), (1495, 13446584), (2392, 8404115), (2990, 6723292), (5980, 3361646), (11960, 1680823)]