20962370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 45069696

約数和(自身を除く): 24107326

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 107, 110, 130, 137, 143, 214, 274, 286, 535, 685, 715, 1070, 1177, 1370, 1391, 1430, 1507, 1781, 2354, 2782, 3014, 3562, 5885, 6955, 7535, 8905, 11770, 13910, 14659, 15070, 15301, 17810, 19591, 29318, 30602, 39182, 73295, 76505, 97955, 146590, 153010, 161249, 190567, 195910, 322498, 381134, 806245, 952835, 1612490, 1905670, 2096237, 4192474, 10481185, 20962370]

約数ペア:

[(1, 20962370), (2, 10481185), (5, 4192474), (10, 2096237), (11, 1905670), (13, 1612490), (22, 952835), (26, 806245), (55, 381134), (65, 322498), (107, 195910), (110, 190567), (130, 161249), (137, 153010), (143, 146590), (214, 97955), (274, 76505), (286, 73295), (535, 39182), (685, 30602), (715, 29318), (1070, 19591), (1177, 17810), (1370, 15301), (1391, 15070), (1430, 14659), (1507, 13910), (1781, 11770), (2354, 8905), (2782, 7535), (3014, 6955), (3562, 5885)]