20109740868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{2957}}^1\times {\mathrm{26987}}^1$

素因数の和:29961

約数の個数: 72

約数和(自身を含む): 58116606912

約数和(自身を除く): 38006866044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 2957, 5914, 8871, 11828, 17742, 20699, 26613, 26987, 35484, 41398, 53226, 53974, 62097, 80961, 82796, 106452, 107948, 124194, 161922, 186291, 188909, 242883, 248388, 323844, 372582, 377818, 485766, 566727, 745164, 755636, 971532, 1133454, 1700181, 2266908, 3400362, 6800724, 79800559, 159601118, 239401677, 319202236, 478803354, 558603913, 718205031, 957606708, 1117207826, 1436410062, 1675811739, 2234415652, 2872820124, 3351623478, 5027435217, 6703246956, 10054870434, 20109740868]

約数ペア:

[(1, 20109740868), (2, 10054870434), (3, 6703246956), (4, 5027435217), (6, 3351623478), (7, 2872820124), (9, 2234415652), (12, 1675811739), (14, 1436410062), (18, 1117207826), (21, 957606708), (28, 718205031), (36, 558603913), (42, 478803354), (63, 319202236), (84, 239401677), (126, 159601118), (252, 79800559), (2957, 6800724), (5914, 3400362), (8871, 2266908), (11828, 1700181), (17742, 1133454), (20699, 971532), (26613, 755636), (26987, 745164), (35484, 566727), (41398, 485766), (53226, 377818), (53974, 372582), (62097, 323844), (80961, 248388), (82796, 242883), (106452, 188909), (107948, 186291), (124194, 161922)]