20178032919

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1\times {\mathrm{373}}^1$

素因数の和:752

約数の個数: 64

約数和(自身を含む): 30206753280

約数和(自身を除く): 10028720361

約数列:

[1, 3, 11, 33, 89, 113, 163, 267, 339, 373, 489, 979, 1119, 1243, 1793, 2937, 3729, 4103, 5379, 10057, 12309, 14507, 18419, 30171, 33197, 42149, 43521, 55257, 60799, 99591, 110627, 126447, 159577, 182397, 202609, 331881, 365167, 463639, 478731, 607827, 668789, 1095501, 1390917, 1639291, 2006367, 3751261, 4917873, 5411111, 6870287, 11253783, 16233333, 18032201, 20610861, 41263871, 54096603, 59522221, 75573157, 123791613, 178566663, 226719471, 611455543, 1834366629, 6726010973, 20178032919]

約数ペア:

[(1, 20178032919), (3, 6726010973), (11, 1834366629), (33, 611455543), (89, 226719471), (113, 178566663), (163, 123791613), (267, 75573157), (339, 59522221), (373, 54096603), (489, 41263871), (979, 20610861), (1119, 18032201), (1243, 16233333), (1793, 11253783), (2937, 6870287), (3729, 5411111), (4103, 4917873), (5379, 3751261), (10057, 2006367), (12309, 1639291), (14507, 1390917), (18419, 1095501), (30171, 668789), (33197, 607827), (42149, 478731), (43521, 463639), (55257, 365167), (60799, 331881), (99591, 202609), (110627, 182397), (126447, 159577)]