20050996725

素因数分解:

$3^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{677}}^1\times {\mathrm{947}}^1$

素因数の和:1779

約数の個数: 72

約数和(自身を含む): 36263616480

約数和(自身を除く): 16212619755

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 139, 225, 417, 677, 695, 947, 1251, 2031, 2085, 2841, 3385, 3475, 4735, 6093, 6255, 8523, 10155, 10425, 14205, 16925, 23675, 30465, 31275, 42615, 50775, 71025, 94103, 131633, 152325, 213075, 282309, 394899, 470515, 641119, 658165, 846927, 1184697, 1411545, 1923357, 1974495, 2352575, 3205595, 3290825, 4234635, 5770071, 5923485, 7057725, 9616785, 9872475, 16027975, 21173175, 28850355, 29617425, 48083925, 89115541, 144251775, 267346623, 445577705, 802039869, 1336733115, 2227888525, 4010199345, 6683665575, 20050996725]

約数ペア:

[(1, 20050996725), (3, 6683665575), (5, 4010199345), (9, 2227888525), (15, 1336733115), (25, 802039869), (45, 445577705), (75, 267346623), (139, 144251775), (225, 89115541), (417, 48083925), (677, 29617425), (695, 28850355), (947, 21173175), (1251, 16027975), (2031, 9872475), (2085, 9616785), (2841, 7057725), (3385, 5923485), (3475, 5770071), (4735, 4234635), (6093, 3290825), (6255, 3205595), (8523, 2352575), (10155, 1974495), (10425, 1923357), (14205, 1411545), (16925, 1184697), (23675, 846927), (30465, 658165), (31275, 641119), (42615, 470515), (50775, 394899), (71025, 282309), (94103, 213075), (131633, 152325)]