20189722532

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{294431}}^1$

素因数の和:294552

約数の個数: 48

約数和(自身を含む): 42209771520

約数和(自身を除く): 22020048988

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 79, 124, 158, 217, 316, 434, 553, 868, 1106, 2212, 2449, 4898, 9796, 17143, 34286, 68572, 294431, 588862, 1177724, 2061017, 4122034, 8244068, 9127361, 18254722, 23260049, 36509444, 46520098, 63891527, 93040196, 127783054, 162820343, 255566108, 325640686, 651281372, 721061519, 1442123038, 2884246076, 5047430633, 10094861266, 20189722532]

約数ペア:

[(1, 20189722532), (2, 10094861266), (4, 5047430633), (7, 2884246076), (14, 1442123038), (28, 721061519), (31, 651281372), (62, 325640686), (79, 255566108), (124, 162820343), (158, 127783054), (217, 93040196), (316, 63891527), (434, 46520098), (553, 36509444), (868, 23260049), (1106, 18254722), (2212, 9127361), (2449, 8244068), (4898, 4122034), (9796, 2061017), (17143, 1177724), (34286, 588862), (68572, 294431)]