20392724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 41731200

約数和(自身を除く): 21338476

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 137, 187, 199, 274, 374, 398, 548, 748, 796, 1507, 2189, 2329, 3014, 3383, 4378, 4658, 6028, 6766, 8756, 9316, 13532, 25619, 27263, 37213, 51238, 54526, 74426, 102476, 109052, 148852, 299893, 463471, 599786, 926942, 1199572, 1853884, 5098181, 10196362, 20392724]

約数ペア:

[(1, 20392724), (2, 10196362), (4, 5098181), (11, 1853884), (17, 1199572), (22, 926942), (34, 599786), (44, 463471), (68, 299893), (137, 148852), (187, 109052), (199, 102476), (274, 74426), (374, 54526), (398, 51238), (548, 37213), (748, 27263), (796, 25619), (1507, 13532), (2189, 9316), (2329, 8756), (3014, 6766), (3383, 6028), (4378, 4658)]