20322236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 41029632

約数和(自身を除く): 20707396

約数列:

[1, 2, 4, 11, 22, 31, 44, 47, 62, 94, 124, 188, 317, 341, 517, 634, 682, 1034, 1268, 1364, 1457, 2068, 2914, 3487, 5828, 6974, 9827, 13948, 14899, 16027, 19654, 29798, 32054, 39308, 59596, 64108, 108097, 163889, 216194, 327778, 432388, 461869, 655556, 923738, 1847476, 5080559, 10161118, 20322236]

約数ペア:

[(1, 20322236), (2, 10161118), (4, 5080559), (11, 1847476), (22, 923738), (31, 655556), (44, 461869), (47, 432388), (62, 327778), (94, 216194), (124, 163889), (188, 108097), (317, 64108), (341, 59596), (517, 39308), (634, 32054), (682, 29798), (1034, 19654), (1268, 16027), (1364, 14899), (1457, 13948), (2068, 9827), (2914, 6974), (3487, 5828)]