20199509132

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{251}}^1\times {\mathrm{166273}}^1$

素因数の和:166550

約数の個数: 36

約数和(自身を含む): 39009875688

約数和(自身を除く): 18810366556

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 251, 484, 502, 1004, 2761, 5522, 11044, 30371, 60742, 121484, 166273, 332546, 665092, 1829003, 3658006, 7316012, 20119033, 40238066, 41734523, 80476132, 83469046, 166938092, 459079753, 918159506, 1836319012, 5049877283, 10099754566, 20199509132]

約数ペア:

[(1, 20199509132), (2, 10099754566), (4, 5049877283), (11, 1836319012), (22, 918159506), (44, 459079753), (121, 166938092), (242, 83469046), (251, 80476132), (484, 41734523), (502, 40238066), (1004, 20119033), (2761, 7316012), (5522, 3658006), (11044, 1829003), (30371, 665092), (60742, 332546), (121484, 166273)]