20178701252

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{593}}^1\times {\mathrm{1151}}^1$

素因数の和:2156

約数の個数: 48

約数和(自身を含む): 37362124800

約数和(自身を除く): 17183423548

約数列:

[1, 2, 4, 19, 38, 76, 389, 593, 778, 1151, 1186, 1556, 2302, 2372, 4604, 7391, 11267, 14782, 21869, 22534, 29564, 43738, 45068, 87476, 230677, 447739, 461354, 682543, 895478, 922708, 1365086, 1790956, 2730172, 4382863, 8507041, 8765726, 12968317, 17014082, 17531452, 25936634, 34028164, 51873268, 265509227, 531018454, 1062036908, 5044675313, 10089350626, 20178701252]

約数ペア:

[(1, 20178701252), (2, 10089350626), (4, 5044675313), (19, 1062036908), (38, 531018454), (76, 265509227), (389, 51873268), (593, 34028164), (778, 25936634), (1151, 17531452), (1186, 17014082), (1556, 12968317), (2302, 8765726), (2372, 8507041), (4604, 4382863), (7391, 2730172), (11267, 1790956), (14782, 1365086), (21869, 922708), (22534, 895478), (29564, 682543), (43738, 461354), (45068, 447739), (87476, 230677)]