20921630235978

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{523}}^1\times {\mathrm{50894551}}^1$

素因数の和:50895210

約数の個数: 32

約数和(自身を含む): 42243292472832

約数和(自身を除く): 21321662236854

約数列:

[1, 2, 3, 6, 131, 262, 393, 523, 786, 1046, 1569, 3138, 68513, 137026, 205539, 411078, 50894551, 101789102, 152683653, 305367306, 6667186181, 13334372362, 20001558543, 26617850173, 40003117086, 53235700346, 79853550519, 159707101038, 3486938372663, 6973876745326, 10460815117989, 20921630235978]

約数ペア:

[(1, 20921630235978), (2, 10460815117989), (3, 6973876745326), (6, 3486938372663), (131, 159707101038), (262, 79853550519), (393, 53235700346), (523, 40003117086), (786, 26617850173), (1046, 20001558543), (1569, 13334372362), (3138, 6667186181), (68513, 305367306), (137026, 152683653), (205539, 101789102), (411078, 50894551)]