20051992

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4549}}^1$

素因数の和:4603

約数の個数: 32

約数和(自身を含む): 40950000

約数和(自身を除く): 20898008

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 1102, 2204, 4408, 4549, 9098, 18196, 36392, 86431, 131921, 172862, 263842, 345724, 527684, 691448, 1055368, 2506499, 5012998, 10025996, 20051992]

約数ペア:

[(1, 20051992), (2, 10025996), (4, 5012998), (8, 2506499), (19, 1055368), (29, 691448), (38, 527684), (58, 345724), (76, 263842), (116, 172862), (152, 131921), (232, 86431), (551, 36392), (1102, 18196), (2204, 9098), (4408, 4549)]