20153144

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 43740000

約数和(自身を除く): 23586856

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 53, 58, 88, 106, 116, 149, 212, 232, 298, 319, 424, 583, 596, 638, 1166, 1192, 1276, 1537, 1639, 2332, 2552, 3074, 3278, 4321, 4664, 6148, 6556, 7897, 8642, 12296, 13112, 15794, 16907, 17284, 31588, 33814, 34568, 47531, 63176, 67628, 86867, 95062, 135256, 173734, 190124, 229013, 347468, 380248, 458026, 694936, 916052, 1832104, 2519143, 5038286, 10076572, 20153144]

約数ペア:

[(1, 20153144), (2, 10076572), (4, 5038286), (8, 2519143), (11, 1832104), (22, 916052), (29, 694936), (44, 458026), (53, 380248), (58, 347468), (88, 229013), (106, 190124), (116, 173734), (149, 135256), (212, 95062), (232, 86867), (298, 67628), (319, 63176), (424, 47531), (583, 34568), (596, 33814), (638, 31588), (1166, 17284), (1192, 16907), (1276, 15794), (1537, 13112), (1639, 12296), (2332, 8642), (2552, 7897), (3074, 6556), (3278, 6148), (4321, 4664)]