20046488

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4649}}^1$

素因数の和:4680

約数の個数: 48

約数和(自身を含む): 47709000

約数和(自身を除く): 27662512

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 4649, 9298, 18596, 32543, 37192, 51139, 65086, 102278, 130172, 204556, 227801, 260344, 357973, 409112, 455602, 715946, 911204, 1431892, 1822408, 2505811, 2863784, 5011622, 10023244, 20046488]

約数ペア:

[(1, 20046488), (2, 10023244), (4, 5011622), (7, 2863784), (8, 2505811), (11, 1822408), (14, 1431892), (22, 911204), (28, 715946), (44, 455602), (49, 409112), (56, 357973), (77, 260344), (88, 227801), (98, 204556), (154, 130172), (196, 102278), (308, 65086), (392, 51139), (539, 37192), (616, 32543), (1078, 18596), (2156, 9298), (4312, 4649)]