20442772

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{641}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 44005248

約数和(自身を除く): 23562476

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 67, 68, 119, 134, 238, 268, 469, 476, 641, 938, 1139, 1282, 1876, 2278, 2564, 4487, 4556, 7973, 8974, 10897, 15946, 17948, 21794, 31892, 42947, 43588, 76279, 85894, 152558, 171788, 300629, 305116, 601258, 730099, 1202516, 1460198, 2920396, 5110693, 10221386, 20442772]

約数ペア:

[(1, 20442772), (2, 10221386), (4, 5110693), (7, 2920396), (14, 1460198), (17, 1202516), (28, 730099), (34, 601258), (67, 305116), (68, 300629), (119, 171788), (134, 152558), (238, 85894), (268, 76279), (469, 43588), (476, 42947), (641, 31892), (938, 21794), (1139, 17948), (1282, 15946), (1876, 10897), (2278, 8974), (2564, 7973), (4487, 4556)]