20429992

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7489}}^1$

素因数の和:7537

約数の個数: 32

約数和(自身を含む): 43142400

約数和(自身を除く): 22712408

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 7489, 14978, 29956, 59912, 82379, 164758, 232159, 329516, 464318, 659032, 928636, 1857272, 2553749, 5107498, 10214996, 20429992]

約数ペア:

[(1, 20429992), (2, 10214996), (4, 5107498), (8, 2553749), (11, 1857272), (22, 928636), (31, 659032), (44, 464318), (62, 329516), (88, 232159), (124, 164758), (248, 82379), (341, 59912), (682, 29956), (1364, 14978), (2728, 7489)]