20849763

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 31795200

約数和(自身を除く): 10945437

約数列:

[1, 3, 11, 31, 33, 89, 93, 229, 267, 341, 687, 979, 1023, 2519, 2759, 2937, 7099, 7557, 8277, 20381, 21297, 30349, 61143, 78089, 91047, 224191, 234267, 631811, 672573, 1895433, 6949921, 20849763]

約数ペア:

[(1, 20849763), (3, 6949921), (11, 1895433), (31, 672573), (33, 631811), (89, 234267), (93, 224191), (229, 91047), (267, 78089), (341, 61143), (687, 30349), (979, 21297), (1023, 20381), (2519, 8277), (2759, 7557), (2937, 7099)]