20756972

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{607}}^1$

素因数の和:797

約数の個数: 24

約数和(自身を含む): 37180416

約数和(自身を除く): 16423444

約数列:

[1, 2, 4, 83, 103, 166, 206, 332, 412, 607, 1214, 2428, 8549, 17098, 34196, 50381, 62521, 100762, 125042, 201524, 250084, 5189243, 10378486, 20756972]

約数ペア:

[(1, 20756972), (2, 10378486), (4, 5189243), (83, 250084), (103, 201524), (166, 125042), (206, 100762), (332, 62521), (412, 50381), (607, 34196), (1214, 17098), (2428, 8549)]