20382948

素因数分解:

$2^2\times 3^3\times {\mathrm{79}}^1\times {\mathrm{2389}}^1$

素因数の和:2481

約数の個数: 48

約数和(自身を含む): 53536000

約数和(自身を除く): 33153052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 108, 158, 237, 316, 474, 711, 948, 1422, 2133, 2389, 2844, 4266, 4778, 7167, 8532, 9556, 14334, 21501, 28668, 43002, 64503, 86004, 129006, 188731, 258012, 377462, 566193, 754924, 1132386, 1698579, 2264772, 3397158, 5095737, 6794316, 10191474, 20382948]

約数ペア:

[(1, 20382948), (2, 10191474), (3, 6794316), (4, 5095737), (6, 3397158), (9, 2264772), (12, 1698579), (18, 1132386), (27, 754924), (36, 566193), (54, 377462), (79, 258012), (108, 188731), (158, 129006), (237, 86004), (316, 64503), (474, 43002), (711, 28668), (948, 21501), (1422, 14334), (2133, 9556), (2389, 8532), (2844, 7167), (4266, 4778)]