20743458

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:179

約数の個数: 64

約数和(自身を含む): 45505152

約数和(自身を除く): 24761694

約数列:

[1, 2, 3, 6, 37, 41, 43, 53, 74, 82, 86, 106, 111, 123, 129, 159, 222, 246, 258, 318, 1517, 1591, 1763, 1961, 2173, 2279, 3034, 3182, 3526, 3922, 4346, 4551, 4558, 4773, 5289, 5883, 6519, 6837, 9102, 9546, 10578, 11766, 13038, 13674, 65231, 80401, 84323, 93439, 130462, 160802, 168646, 186878, 195693, 241203, 252969, 280317, 391386, 482406, 505938, 560634, 3457243, 6914486, 10371729, 20743458]

約数ペア:

[(1, 20743458), (2, 10371729), (3, 6914486), (6, 3457243), (37, 560634), (41, 505938), (43, 482406), (53, 391386), (74, 280317), (82, 252969), (86, 241203), (106, 195693), (111, 186878), (123, 168646), (129, 160802), (159, 130462), (222, 93439), (246, 84323), (258, 80401), (318, 65231), (1517, 13674), (1591, 13038), (1763, 11766), (1961, 10578), (2173, 9546), (2279, 9102), (3034, 6837), (3182, 6519), (3526, 5883), (3922, 5289), (4346, 4773), (4551, 4558)]