20590384

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{13267}}^1$

素因数の和:13372

約数の個数: 20

約数和(自身を含む): 40308184

約数和(自身を除く): 19717800

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 13267, 26534, 53068, 106136, 212272, 1286899, 2573798, 5147596, 10295192, 20590384]

約数ペア:

[(1, 20590384), (2, 10295192), (4, 5147596), (8, 2573798), (16, 1286899), (97, 212272), (194, 106136), (388, 53068), (776, 26534), (1552, 13267)]