20178077157

素因数分解:

$3^3\times 7^2\times {\mathrm{2063}}^1\times {\mathrm{7393}}^1$

素因数の和:9479

約数の個数: 48

約数和(自身を含む): 34795572480

約数和(自身を除く): 14617495323

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 2063, 6189, 7393, 14441, 18567, 22179, 43323, 51751, 55701, 66537, 101087, 129969, 155253, 199611, 303261, 362257, 389907, 465759, 909783, 1086771, 1397277, 2729349, 3260313, 9780939, 15251759, 45755277, 106762313, 137265831, 320286939, 411797493, 747336191, 960860817, 2242008573, 2882582451, 6726025719, 20178077157]

約数ペア:

[(1, 20178077157), (3, 6726025719), (7, 2882582451), (9, 2242008573), (21, 960860817), (27, 747336191), (49, 411797493), (63, 320286939), (147, 137265831), (189, 106762313), (441, 45755277), (1323, 15251759), (2063, 9780939), (6189, 3260313), (7393, 2729349), (14441, 1397277), (18567, 1086771), (22179, 909783), (43323, 465759), (51751, 389907), (55701, 362257), (66537, 303261), (101087, 199611), (129969, 155253)]