20313272

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4969}}^1$

素因数の和:5055

約数の個数: 32

約数和(自身を含む): 44133600

約数和(自身を除く): 23820328

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 4969, 9938, 19876, 34783, 39752, 69566, 139132, 278264, 362737, 725474, 1450948, 2539159, 2901896, 5078318, 10156636, 20313272]

約数ペア:

[(1, 20313272), (2, 10156636), (4, 5078318), (7, 2901896), (8, 2539159), (14, 1450948), (28, 725474), (56, 362737), (73, 278264), (146, 139132), (292, 69566), (511, 39752), (584, 34783), (1022, 19876), (2044, 9938), (4088, 4969)]