20194900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{1669}}^1$

素因数の和:1705

約数の個数: 54

約数和(自身を含む): 48197870

約数和(自身を除く): 28002970

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 484, 550, 605, 1100, 1210, 1669, 2420, 3025, 3338, 6050, 6676, 8345, 12100, 16690, 18359, 33380, 36718, 41725, 73436, 83450, 91795, 166900, 183590, 201949, 367180, 403898, 458975, 807796, 917950, 1009745, 1835900, 2019490, 4038980, 5048725, 10097450, 20194900]

約数ペア:

[(1, 20194900), (2, 10097450), (4, 5048725), (5, 4038980), (10, 2019490), (11, 1835900), (20, 1009745), (22, 917950), (25, 807796), (44, 458975), (50, 403898), (55, 367180), (100, 201949), (110, 183590), (121, 166900), (220, 91795), (242, 83450), (275, 73436), (484, 41725), (550, 36718), (605, 33380), (1100, 18359), (1210, 16690), (1669, 12100), (2420, 8345), (3025, 6676), (3338, 6050)]