20201896

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17659}}^1$

素因数の和:17689

約数の個数: 32

約数和(自身を含む): 44503200

約数和(自身を除く): 24301304

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17659, 35318, 70636, 141272, 194249, 229567, 388498, 459134, 776996, 918268, 1553992, 1836536, 2525237, 5050474, 10100948, 20201896]

約数ペア:

[(1, 20201896), (2, 10100948), (4, 5050474), (8, 2525237), (11, 1836536), (13, 1553992), (22, 918268), (26, 776996), (44, 459134), (52, 388498), (88, 229567), (104, 194249), (143, 141272), (286, 70636), (572, 35318), (1144, 17659)]