20422458

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1487}}^1$

素因数の和:1611

約数の個数: 48

約数和(自身を含む): 51068160

約数和(自身を除く): 30645702

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 109, 126, 218, 327, 654, 763, 981, 1487, 1526, 1962, 2289, 2974, 4461, 4578, 6867, 8922, 10409, 13383, 13734, 20818, 26766, 31227, 62454, 93681, 162083, 187362, 324166, 486249, 972498, 1134581, 1458747, 2269162, 2917494, 3403743, 6807486, 10211229, 20422458]

約数ペア:

[(1, 20422458), (2, 10211229), (3, 6807486), (6, 3403743), (7, 2917494), (9, 2269162), (14, 1458747), (18, 1134581), (21, 972498), (42, 486249), (63, 324166), (109, 187362), (126, 162083), (218, 93681), (327, 62454), (654, 31227), (763, 26766), (981, 20818), (1487, 13734), (1526, 13383), (1962, 10409), (2289, 8922), (2974, 6867), (4461, 4578)]