20194564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{4679}}^1$

素因数の和:4779

約数の個数: 24

約数和(自身を含む): 38525760

約数和(自身を除く): 18331196

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 332, 1079, 2158, 4316, 4679, 9358, 18716, 60827, 121654, 243308, 388357, 776714, 1553428, 5048641, 10097282, 20194564]

約数ペア:

[(1, 20194564), (2, 10097282), (4, 5048641), (13, 1553428), (26, 776714), (52, 388357), (83, 243308), (166, 121654), (332, 60827), (1079, 18716), (2158, 9358), (4316, 4679)]