20855894

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{67}}^2\times {\mathrm{101}}^1$

素因数の和:260

約数の個数: 24

約数和(自身を含む): 33466608

約数和(自身を除く): 12610714

約数列:

[1, 2, 23, 46, 67, 101, 134, 202, 1541, 2323, 3082, 4489, 4646, 6767, 8978, 13534, 103247, 155641, 206494, 311282, 453389, 906778, 10427947, 20855894]

約数ペア:

[(1, 20855894), (2, 10427947), (23, 906778), (46, 453389), (67, 311282), (101, 206494), (134, 155641), (202, 103247), (1541, 13534), (2323, 8978), (3082, 6767), (4489, 4646)]