20095987210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1061}}^1\times {\mathrm{2749}}^1$

素因数の和:3883

約数の個数: 64

約数和(自身を含む): 39742164000

約数和(自身を除く): 19646176790

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1061, 1378, 2122, 2749, 3445, 5305, 5498, 6890, 10610, 13745, 13793, 27490, 27586, 35737, 56233, 68965, 71474, 112466, 137930, 145697, 178685, 281165, 291394, 357370, 562330, 728485, 731029, 1456970, 1462058, 1894061, 2916689, 3655145, 3788122, 5833378, 7310290, 9470305, 14583445, 18940610, 29166890, 37916957, 75833914, 154584517, 189584785, 309169034, 379169570, 772922585, 1545845170, 2009598721, 4019197442, 10047993605, 20095987210]

約数ペア:

[(1, 20095987210), (2, 10047993605), (5, 4019197442), (10, 2009598721), (13, 1545845170), (26, 772922585), (53, 379169570), (65, 309169034), (106, 189584785), (130, 154584517), (265, 75833914), (530, 37916957), (689, 29166890), (1061, 18940610), (1378, 14583445), (2122, 9470305), (2749, 7310290), (3445, 5833378), (5305, 3788122), (5498, 3655145), (6890, 2916689), (10610, 1894061), (13745, 1462058), (13793, 1456970), (27490, 731029), (27586, 728485), (35737, 562330), (56233, 357370), (68965, 291394), (71474, 281165), (112466, 178685), (137930, 145697)]