20185562540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7057889}}^1$

素因数の和:7057922

約数の個数: 48

約数和(自身を含む): 49800471840

約数和(自身を除く): 29614909300

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 7057889, 14115778, 28231556, 35289445, 70578890, 77636779, 91752557, 141157780, 155273558, 183505114, 310547116, 367010228, 388183895, 458762785, 776367790, 917525570, 1009278127, 1552735580, 1835051140, 2018556254, 4037112508, 5046390635, 10092781270, 20185562540]

約数ペア:

[(1, 20185562540), (2, 10092781270), (4, 5046390635), (5, 4037112508), (10, 2018556254), (11, 1835051140), (13, 1552735580), (20, 1009278127), (22, 917525570), (26, 776367790), (44, 458762785), (52, 388183895), (55, 367010228), (65, 310547116), (110, 183505114), (130, 155273558), (143, 141157780), (220, 91752557), (260, 77636779), (286, 70578890), (572, 35289445), (715, 28231556), (1430, 14115778), (2860, 7057889)]