20262640788

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{446353}}^1$

素因数の和:446473

約数の個数: 72

約数和(自身を含む): 55728189608

約数和(自身を除く): 35465548820

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 97, 117, 156, 194, 234, 291, 388, 468, 582, 873, 1164, 1261, 1746, 2522, 3492, 3783, 5044, 7566, 11349, 15132, 22698, 45396, 446353, 892706, 1339059, 1785412, 2678118, 4017177, 5356236, 5802589, 8034354, 11605178, 16068708, 17407767, 23210356, 34815534, 43296241, 52223301, 69631068, 86592482, 104446602, 129888723, 173184964, 208893204, 259777446, 389666169, 519554892, 562851133, 779332338, 1125702266, 1558664676, 1688553399, 2251404532, 3377106798, 5065660197, 6754213596, 10131320394, 20262640788]

約数ペア:

[(1, 20262640788), (2, 10131320394), (3, 6754213596), (4, 5065660197), (6, 3377106798), (9, 2251404532), (12, 1688553399), (13, 1558664676), (18, 1125702266), (26, 779332338), (36, 562851133), (39, 519554892), (52, 389666169), (78, 259777446), (97, 208893204), (117, 173184964), (156, 129888723), (194, 104446602), (234, 86592482), (291, 69631068), (388, 52223301), (468, 43296241), (582, 34815534), (873, 23210356), (1164, 17407767), (1261, 16068708), (1746, 11605178), (2522, 8034354), (3492, 5802589), (3783, 5356236), (5044, 4017177), (7566, 2678118), (11349, 1785412), (15132, 1339059), (22698, 892706), (45396, 446353)]